10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q3 2023

Filing Information

Form Type	10-Q
Accession Number	`0001692115-23-000143`
Period End Date	20230930
Filing Date	20231108
Fiscal Year	2023
Fiscal Period	Q3
XBRL Instance	swx-20230930_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
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.52M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	67.12M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$9.89B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$9.45B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.52M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.78B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.67B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$244.75M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$272.97M	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.39B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.02B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.25B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.28B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$104.94M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$123.08M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$903.37M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$866.25M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$44.60M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$88.10M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$4.27M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$8.74M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$687.14M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$381.00M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$450.12M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$433.85M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$229.70M	USD	Point-in-time
Current assets held for sale adjustment	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$24.48M	USD	Point-in-time
Current assets held for sale adjustment	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$1.74B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$3.71B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.00B	USD	Point-in-time
Goodwill	`Goodwill`	$787.25M	USD	Point-in-time
Goodwill	`Goodwill`	$787.43M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$253.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$82.00K	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$395.95M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$410.79M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.20B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.18B	USD	Point-in-time
Total assets	`Assets`	$11.84B	USD	Point-in-time
Total assets	`Assets`	$13.20B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,515,428 and 67,119,143 shares)	`CommonStockValue`	$73.14M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,515,428 and 67,119,143 shares)	`CommonStockValue`	$68.75M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.54B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.29B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-43.52M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-44.24M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$747.07M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$669.36M	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.24B	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`	$145.16M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.40B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$5.24B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.62B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$7.62B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$44.56M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.34M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$57.50M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$1.54B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$255.25M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$662.09M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$51.18M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$47.21M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$2.69M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$267.00K	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$75.93M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.09M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$38.56M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$46.84M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$527.20M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$369.74M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$644.25M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.42B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.05B	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$742.08M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$682.07M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$454.00M	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`	$968.23M	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.16B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$13.20B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.84B	USD	Point-in-time

Income Statement 138 line items

Line Item	Tag	Value	Unit	Period
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$2.00B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$2.48B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$367.12M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.55B	USD	3 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.83B	USD	3 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$394.60M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$3.01B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$758.47M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.62B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$774.89M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.99B	USD	3 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.23B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$4.62B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.13B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$4.07B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$5.49B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.54B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.17B	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$682.45M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$547.77M	USD	3 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.16B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$908.65M	USD	3 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$170.06M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$100.99M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$561.99M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$404.55M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$154.24M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$618.03M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$479.33M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$126.85M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$450.96M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$452.61M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$347.59M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$329.75M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$116.93M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$105.52M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$66.98M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$21.15M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$89.59M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$70.78M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$90.99M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$23.36M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$685.69M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.83B	USD	3 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.70B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$680.13M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.01B	USD	3 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.40B	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$526.65M	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	3 Qtrs
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$71.23M	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$4.25B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.08B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$5.50B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.11B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$3.79B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$3.28B	USD	3 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$60.23M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$377.62M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$49.94M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$-8.29M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$280.20M	USD	3 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$264.09M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$295.49M	USD	Annual
Net interest deductions	`InterestExpense`	$72.00M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$165.94M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$203.94M	USD	Annual
Net interest deductions	`InterestExpense`	$218.68M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$64.37M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$1.59M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$52.53M	USD	3 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$14.46M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$46.34M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$2.00K	USD	3 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$478.00K	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-203.46M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-62.78M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-165.94M	USD	3 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-166.15M	USD	3 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-57.53M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-249.15M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$98.15M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-12.84M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$174.16M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$114.05M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-257.44M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.70M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$32.17M	USD	3 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-1.27M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-1.52M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-61.78M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$18.30M	USD	3 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$23.13M	USD	Annual
Net income (loss)	`ProfitLoss`	$3.97M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$151.03M	USD	Annual
Net income (loss)	`ProfitLoss`	$79.85M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$81.88M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$-11.32M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-195.66M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.91M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.86M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$991.00K	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.79M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$736.00K	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.56M	USD	3 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$78.02M	USD	3 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$3.23M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$147.24M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-202.56M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-12.31M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$77.29M	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$1.19	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$-2.91	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$1.11	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$-0.18	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$2.30	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$0.05	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.10	USD	3 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-0.18	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-2.91	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.19	USD	3 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.30	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.63M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	70.49M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	69.66M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	67.16M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	65.00M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	63.91M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	71.85M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	69.66M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	64.05M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.68M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.16M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.15M	shares	3 Qtrs

Cash Flow Statement 166 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$3.97M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$151.03M	USD	Annual
Net income (loss)	`ProfitLoss`	$79.85M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$81.88M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$-11.32M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-195.66M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$450.96M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$452.61M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$347.59M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$329.75M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$116.93M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$105.52M	USD	1 Quarter
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	3 Qtrs
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$526.65M	USD	Annual
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$71.23M	USD	3 Qtrs
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-22.95M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$49.69M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-38.79M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-45.32M	USD	3 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$5.21M	USD	3 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$6.76M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$3.09M	USD	3 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$5.74M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$10.15M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.86M	USD	3 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$9.47M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$8.56M	USD	3 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$912.00K	USD	3 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$-365.00K	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$912.00K	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$82.00K	USD	3 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$155.29M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$68.19M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$78.72M	USD	3 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$40.23M	USD	3 Qtrs
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$1.60M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-43.50M	USD	3 Qtrs
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$3.30M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-43.60M	USD	3 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$142.52M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$92.20M	USD	3 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$307.04M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$252.02M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-360.55M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-37.29M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$72.16M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-29.35M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$18.35M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$12.69M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$12.26M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$5.67M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$1.04M	USD	3 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$113.54M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-315.73M	USD	3 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-108.91M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-1.24M	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-1.71M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-16.42M	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-10.83M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-55.47M	USD	3 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-25.83M	USD	3 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-42.19M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-56.13M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$303.36M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$363.22M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$198.43M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$302.54M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$612.52M	USD	3 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$821.40M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$664.59M	USD	3 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$911.50M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.54B	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$18.81M	USD	3 Qtrs
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	3 Qtrs
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.02B	USD	3 Qtrs
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.02B	USD	Annual
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$31.26M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-8.69M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$23.22M	USD	3 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-6.97M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-19.96M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.00M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-6.15M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-7.51M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$357.07M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-604.10M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.33B	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$122.26M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$252.01M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$459.05M	USD	3 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$461.88M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$249.24M	USD	3 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.89M	USD	3 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	3 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.89M	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$154.91M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$118.98M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$171.81M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$130.23M	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$775.98M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$770.24M	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.04B	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.34B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$168.13M	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$245.69M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$468.20M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$422.36M	USD	3 Qtrs
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-138.00M	USD	Annual
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$138.00M	USD	Annual
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$8.00M	USD	3 Qtrs
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-50.00M	USD	3 Qtrs
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$1.85B	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	3 Qtrs
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	3 Qtrs
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-380.25M	USD	3 Qtrs
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-1.92B	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-1.94B	USD	3 Qtrs
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-593.25M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.10M	USD	3 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.74M	USD	3 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.30M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.12M	USD	Annual
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-16.30M	USD	Annual
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.64M	USD	3 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-19.93M	USD	3 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-16.89M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-597.54M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.95B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$254.02M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-495.08M	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-701.00K	USD	3 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-739.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$102.00K	USD	3 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-51.00K	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-41.94M	USD	3 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-47.42M	USD	3 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-11.42M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-70.33M	USD	Annual
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`	-	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 at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$186.69M	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`	$123.08M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$175.27M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$104.94M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$186.69M	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`	$123.08M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$175.27M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$104.94M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$146.79M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$196.61M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$269.64M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$194.02M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$7.64M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$6.86M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$10.32M	USD	3 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$5.96M	USD	3 Qtrs

Stockholders Equity 15 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.52M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	3 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-828.00K	USD	Annual
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	3 Qtrs
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$21.85M	USD	3 Qtrs
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.52M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.86	USD	3 Qtrs
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.86	USD	3 Qtrs
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

Comprehensive Income 78 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$3.97M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$151.03M	USD	Annual
Net income (loss)	`ProfitLoss`	$79.85M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$81.88M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$-11.32M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-195.66M	USD	Annual
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$44.97M	USD	Annual
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Net actuarial gain	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$3.10M	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$132.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$34.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$282.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$99.00K	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-28.32M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-760.00K	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-19.85M	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.62M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-253.00K	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-7.37M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$5.52M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$16.57M	USD	3 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$61.77M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$5.16M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$90.00K	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$270.00K	USD	3 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-196.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-11.81M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.13M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-589.00K	USD	3 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-5.45M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.38M	USD	3 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	3 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-828.00K	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	3 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	3 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$828.00K	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$416.00K	USD	3 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-6.92M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.26M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-7.26M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$130.00K	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-5.83M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.26M	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$719.00K	USD	3 Qtrs
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.71M	USD	Annual
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-4.70M	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.47M	USD	3 Qtrs
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.06M	USD	1 Quarter
Total other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.72M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$76.38M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-16.02M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$82.59M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.90M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-188.95M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$156.75M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$991.00K	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.56M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$736.00K	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.79M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.86M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.91M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$152.96M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$78.74M	USD	3 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$1.17M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$73.82M	USD	3 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-195.85M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-17.01M	USD	1 Quarter

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