10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q2 2023

Filing Information

Form Type	10-Q
Accession Number	`0001692115-23-000133`
Period End Date	20230630
Filing Date	20230809
Fiscal Year	2023
Fiscal Period	Q2
XBRL Instance	swx-20230630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 91 Income Statement 138 Cash Flow Statement 166 Stockholders Equity 15 Comprehensive Income 78

Balance Sheet 91 line items

Line Item	Tag	Value	Unit	Period
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$9.74B	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	67.12M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.47M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$9.45B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.74B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.67B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.47M	shares	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$244.75M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$254.87M	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.02B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.25B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.28B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.27B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$123.08M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$221.37M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$936.16M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$866.25M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$88.10M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$43.20M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$8.74M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$6.80M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$785.59M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$450.12M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$355.00M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$433.85M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$220.29M	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$26.80M	USD	Point-in-time
Current assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$1.74B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.24B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.71B	USD	Point-in-time
Goodwill	`Goodwill`	$787.25M	USD	Point-in-time
Goodwill	`Goodwill`	$789.62M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$82.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$99.00K	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$400.52M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$395.95M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.18B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.19B	USD	Point-in-time
Total assets	`Assets`	$13.20B	USD	Point-in-time
Total assets	`Assets`	$11.95B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,473,472 and 67,119,143 shares)	`CommonStockValue`	$73.10M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,473,472 and 67,119,143 shares)	`CommonStockValue`	$68.75M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.29B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.53B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-44.24M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.46M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$747.07M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$696.96M	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.26B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.06B	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$159.35M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$158.18M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$5.28B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.40B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.71B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$7.62B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.12M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$44.56M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$15.50M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$1.54B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$662.09M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$273.95M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$51.18M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$48.41M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$1.32M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$2.69M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.09M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$62.80M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$38.56M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$38.53M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$574.77M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$369.74M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$644.25M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.42B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.06B	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$682.07M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$740.89M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$452.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$445.00M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.03B	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$994.78M	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.19B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.95B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$13.20B	USD	Point-in-time

Income Statement 138 line items

Line Item	Tag	Value	Unit	Period
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.89B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$2.45B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.18B	USD	2 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$487.87M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$440.03M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.44B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.99B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$805.78M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.23B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.50B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.46B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$706.09M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.29B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.90B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.15B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$4.39B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$5.44B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.41B	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$231.05M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$645.17M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$738.59M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$147.86M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$446.78M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.09B	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$586.72M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$589.38M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$175.79M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$128.79M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$325.09M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$277.70M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$464.02M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$230.66M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$108.01M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$425.41M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$224.22M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$111.70M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.61M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$21.60M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$47.42M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$87.74M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$91.80M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$45.83M	USD	2 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.29B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$715.72M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.32B	USD	2 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$646.19M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.15B	USD	2 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.70B	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	2 Qtrs
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$526.65M	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$71.23M	USD	2 Qtrs
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$4.04B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.20B	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$1.21B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$5.46B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.10B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.68B	USD	2 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$350.98M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$214.15M	USD	2 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$219.97M	USD	2 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$84.77M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$-18.58M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$45.66M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$101.57M	USD	2 Qtrs
Net interest deductions	`InterestExpense`	$53.21M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$287.86M	USD	Annual
Net interest deductions	`InterestExpense`	$146.68M	USD	2 Qtrs
Net interest deductions	`InterestExpense`	$170.86M	USD	Annual
Net interest deductions	`InterestExpense`	$69.35M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-1.59M	USD	2 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$19.60M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-4.23M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$33.47M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$38.06M	USD	2 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-2.83M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-108.62M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-254.40M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-175.09M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-103.16M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-49.74M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-56.04M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$35.03M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-272.98M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-10.38M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$175.89M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$110.99M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$111.35M	USD	2 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-4.30M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$4.77M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-62.03M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$22.84M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$19.82M	USD	2 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$33.44M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$91.17M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-210.94M	USD	Annual
Net income (loss)	`ProfitLoss`	$-6.08M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$153.05M	USD	Annual
Net income (loss)	`ProfitLoss`	$77.91M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$30.26M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.08M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.38M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$494.00K	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.57M	USD	2 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.12M	USD	2 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.16M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$147.97M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$28.88M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$89.60M	USD	2 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-218.10M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$74.79M	USD	2 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-6.58M	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$-3.18	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$1.07	USD	2 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$1.40	USD	2 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$0.40	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$2.39	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$-0.10	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-0.10	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.40	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.38	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.40	USD	2 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-3.18	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.07	USD	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	67.05M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	62.02M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	69.90M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	63.91M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	68.54M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.54M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	62.16M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	64.04M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.07M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	68.54M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.05M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	71.72M	shares	1 Quarter

Cash Flow Statement 166 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$91.17M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-210.94M	USD	Annual
Net income (loss)	`ProfitLoss`	$-6.08M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$153.05M	USD	Annual
Net income (loss)	`ProfitLoss`	$77.91M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$30.26M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$464.02M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$230.66M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$108.01M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$425.41M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$224.22M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$111.70M	USD	1 Quarter
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$71.23M	USD	2 Qtrs
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	2 Qtrs
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$526.65M	USD	Annual
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$58.02M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-30.16M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-47.20M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-44.19M	USD	2 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$6.35M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$6.22M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$3.48M	USD	2 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.83M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$10.59M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$5.70M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$8.11M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.04M	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$-28.00K	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$82.00K	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$575.00K	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$575.00K	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$42.21M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$103.77M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$71.21M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$222.77M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$1.50M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-44.90M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-44.90M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$3.20M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$433.51M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$350.47M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$120.22M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$64.18M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$58.15M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-22.19M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-33.36M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-349.45M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-8.58M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$21.04M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-1.91M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-5.02M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$40.80M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-144.13M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-368.46M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-16.48M	USD	2 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-13.74M	USD	2 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-11.37M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$13.88M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$17.03M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-37.21M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-21.70M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-50.32M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-32.43M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$156.03M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$12.19M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$263.62M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$373.64M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$367.93M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$745.51M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$930.22M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$438.74M	USD	2 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$2.37B	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$18.81M	USD	2 Qtrs
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.05B	USD	Annual
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.05B	USD	2 Qtrs
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	2 Qtrs
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$17.05M	USD	2 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-8.30M	USD	2 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-3.84M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$25.52M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-3.90M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-17.50M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-13.00M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-3.59M	USD	2 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.08B	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-365.79M	USD	2 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$134.32M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$607.43M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$548.62M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$252.28M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$456.28M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$246.73M	USD	2 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.89M	USD	2 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	2 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.89M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$77.42M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$169.06M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$148.51M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$85.92M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$759.60M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$2.34B	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.03B	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.34B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$412.26M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$804.43M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$189.99M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$102.33M	USD	2 Qtrs
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-130.00M	USD	2 Qtrs
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	-	USD	Annual
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-50.00M	USD	2 Qtrs
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-150.00M	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	2 Qtrs
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	2 Qtrs
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$1.85B	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-1.90B	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-446.25M	USD	2 Qtrs
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-1.98B	USD	2 Qtrs
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-705.25M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.11M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.09M	USD	2 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.28M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.71M	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-11.92M	USD	Annual
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.81M	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.60M	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-20.96M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-284.35M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$2.87B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$95.40M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-545.43M	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$298.00K	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.00K	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-591.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.00K	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$74.49M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$5.40M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$168.40M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-6.73M	USD	2 Qtrs
Cash and cash equivalents included in current assets held for sale at beginning of period	`CashAndCashEquivalentsIncludedInCurrentAssetsHeldForSale`	-	USD	Point-in-time
Cash and cash equivalents included in current assets held for sale at beginning of period	`CashAndCashEquivalentsIncludedInCurrentAssetsHeldForSale`	-	USD	Point-in-time
Cash and cash equivalents included in current assets held for sale at beginning of period	`CashAndCashEquivalentsIncludedInCurrentAssetsHeldForSale`	$23.80M	USD	Point-in-time
Cash and cash equivalents included in current assets held for sale at beginning of period	`CashAndCashEquivalentsIncludedInCurrentAssetsHeldForSale`	-	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$222.70M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.96M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$221.37M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.56M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$123.08M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$222.70M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$215.96M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$221.37M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.56M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$123.08M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$92.30M	USD	2 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$149.17M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$263.70M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$136.17M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$8.30M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$5.85M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$4.06M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$7.76M	USD	Annual

Stockholders Equity 15 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.47M	shares	Point-in-time
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	1 Quarter
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	1 Quarter
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-416.00K	USD	2 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	2 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.24M	USD	Annual
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$35.60M	USD	2 Qtrs
Ending balance (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.47M	shares	Point-in-time
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.24	USD	2 Qtrs
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.24	USD	2 Qtrs

Comprehensive Income 78 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$91.17M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-210.94M	USD	Annual
Net income (loss)	`ProfitLoss`	$-6.08M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$153.05M	USD	Annual
Net income (loss)	`ProfitLoss`	$77.91M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$30.26M	USD	1 Quarter
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	2 Qtrs
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$44.97M	USD	Annual
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$3.10M	USD	Annual
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	2 Qtrs
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$66.00K	USD	2 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$431.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$133.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$66.00K	USD	2 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.62M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-30.18M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-507.00K	USD	2 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-13.23M	USD	2 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-13.74M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-254.00K	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$10.59M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$63.52M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$5.52M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$180.00K	USD	2 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$11.05M	USD	2 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$90.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-2.25M	USD	2 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.12M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-197.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-12.06M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-393.00K	USD	2 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.38M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-416.00K	USD	2 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	2 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.24M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$416.00K	USD	2 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$1.24M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	2 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.68M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.43M	USD	2 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.31M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$2.39M	USD	2 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-3.15M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$2.29M	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.07M	USD	Annual
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.78M	USD	2 Qtrs
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$10.16M	USD	Annual
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.49M	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-1.56M	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.23M	USD	2 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-7.64M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-206.87M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$163.21M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$32.75M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$80.69M	USD	2 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$92.40M	USD	2 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.38M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$494.00K	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.08M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.16M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.12M	USD	2 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.57M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-214.03M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$77.57M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-8.13M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$31.37M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$158.13M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$90.84M	USD	2 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.