10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q3 2022

Filing Information

Form Type	10-Q
Accession Number	`0001692115-22-000035`
Period End Date	20220930
Filing Date	20221109
Fiscal Year	2022
Fiscal Period	Q3
XBRL Instance	swx-20220930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 88 Income Statement 132 Cash Flow Statement 154 Stockholders Equity 15 Comprehensive Income 78

Balance Sheet 88 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`	$10.79B	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	60.42M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	67.06M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$11.17B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	67.06M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$3.40B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	60.42M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$3.54B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$202.07M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$273.66M	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.90B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.59B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.32B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.31B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$175.27M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$222.70M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$707.13M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$779.56M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$41.30M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$84.90M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$16.82M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$15.58M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$381.35M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$291.14M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$292.08M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$316.58M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.71B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.61B	USD	Point-in-time
Goodwill	`Goodwill`	$1.78B	USD	Point-in-time
Goodwill	`Goodwill`	$1.74B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$121.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$322.00K	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$458.54M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$434.24M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$2.18B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$2.24B	USD	Point-in-time
Total assets	`Assets`	$13.10B	USD	Point-in-time
Total assets	`Assets`	$12.77B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 67,063,730 and 60,422,081 shares)	`CommonStockValue`	$68.69M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 67,063,730 and 60,422,081 shares)	`CommonStockValue`	$62.05M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.28B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.82B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.76M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-50.23M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.11B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.11B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.41B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.95B	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$196.72M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$114.69M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$5.87B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.12B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$9.39B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$7.27B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$297.32M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$41.48M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$1.91B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$381.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$353.37M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$308.82M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$55.03M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$59.33M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$4.52M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$6.73M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$53.47M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$72.94M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$41.48M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$30.96M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$3.74M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$5.74M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$404.70M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$396.13M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.31B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.11B	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$768.87M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$774.47M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$480.58M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$500.05M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.12B	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.14B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.40B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.39B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$13.10B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$12.77B	USD	Point-in-time

Income Statement 132 line items

Line Item	Tag	Value	Unit	Period
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.07B	USD	3 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$2.00B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.45B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.55B	USD	3 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$367.12M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$255.85M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.99B	USD	3 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$758.47M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.07B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.62B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$632.85M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.53B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$888.70M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.54B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.60B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.13B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$4.62B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.51B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$63.71M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$374.45M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$682.45M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$100.99M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$547.77M	USD	3 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$296.23M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$479.33M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$122.93M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$437.60M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$618.03M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$334.45M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$154.24M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$354.69M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$450.96M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$347.59M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$91.38M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$116.93M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$267.67M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$60.13M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$90.99M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$76.09M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$70.78M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$23.36M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$20.11M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.40B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.38B	USD	3 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$567.27M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$680.13M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.83B	USD	3 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.86B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$3.28B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$865.40M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$4.25B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$1.08B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.34B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$3.10B	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$408.81M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$23.30M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$264.09M	USD	3 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$49.94M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$377.62M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$256.02M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$165.94M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$64.37M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$31.30M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$203.94M	USD	Annual
Net interest deductions	`InterestExpense`	$81.20M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$109.54M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$478.00K	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$1.59M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$282.00K	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$2.00K	USD	3 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-3.98M	USD	3 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-3.11M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-34.41M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-165.94M	USD	3 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-62.78M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-203.46M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-109.25M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-85.18M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$174.16M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$98.15M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-11.11M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$170.84M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-12.84M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$299.56M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-1.82M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$18.30M	USD	3 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-1.52M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$23.13M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$58.50M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$34.82M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$136.03M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$151.03M	USD	Annual
Net income (loss)	`ProfitLoss`	$79.85M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$-9.29M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$241.06M	USD	Annual
Net income (loss)	`ProfitLoss`	$-11.32M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.28M	USD	1 Quarter
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.56M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.79M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.68M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.19M	USD	3 Qtrs
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$991.00K	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$234.38M	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`	$-11.58M	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`	$130.84M	USD	3 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$77.29M	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$-0.19	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$2.23	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$1.19	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$2.30	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$-0.18	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$4.03	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.30	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$4.02	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.23	USD	3 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.19	USD	3 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-0.18	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-0.19	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	59.69M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	65.00M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	63.91M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	67.16M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.21M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.64M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	64.05M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.74M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.31M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.15M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.33M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	59.82M	shares	1 Quarter

Cash Flow Statement 154 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$136.03M	USD	3 Qtrs
Net income	`ProfitLoss`	$151.03M	USD	Annual
Net income	`ProfitLoss`	$79.85M	USD	3 Qtrs
Net income	`ProfitLoss`	$-9.29M	USD	1 Quarter
Net income	`ProfitLoss`	$241.06M	USD	Annual
Net income	`ProfitLoss`	$-11.32M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$354.69M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$450.96M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$347.59M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$91.38M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$116.93M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$267.67M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-22.95M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-38.79M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-45.37M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-58.34M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$62.08M	USD	3 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$68.71M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$78.72M	USD	3 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$68.19M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-43.60M	USD	3 Qtrs
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-42.70M	USD	3 Qtrs
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$3.20M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$1.60M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$293.41M	USD	3 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$92.20M	USD	3 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$317.07M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$142.52M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-51.09M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-29.35M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$251.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$72.16M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$5.67M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$5.95M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$3.13M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$18.35M	USD	3 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-23.29M	USD	3 Qtrs
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`	$-9.53M	USD	Annual
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`	$6.63M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$5.37M	USD	3 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.68M	USD	3 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$9.47M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$9.00M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.86M	USD	3 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$912.00K	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	-	USD	3 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.31M	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$912.00K	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-16.42M	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$21.37M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$7.96M	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-10.83M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-25.83M	USD	3 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-67.92M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-57.27M	USD	3 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-42.19M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$363.22M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$303.36M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$51.52M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$189.78M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$699.37M	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`	$506.74M	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$830.39M	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.54B	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$18.81M	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$830.14M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$31.26M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$23.22M	USD	3 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$7.94M	USD	3 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$14.28M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-14.76M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-7.51M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-17.24M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.00M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.33B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-604.10M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.31B	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.50B	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$210.81M	USD	3 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$259.42M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$461.88M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$459.05M	USD	3 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	-	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	3 Qtrs
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	-	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$102.29M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$118.98M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$134.48M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$154.91M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.65B	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.67B	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$770.24M	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$775.98M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$473.93M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$406.81M	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$422.36M	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$468.20M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$138.00M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-150.00M	USD	3 Qtrs
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-58.00M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$8.00M	USD	3 Qtrs
Change in short-term debt	`ChangeInShortTermDebt`	$-380.25M	USD	3 Qtrs
Change in short-term debt	`ChangeInShortTermDebt`	$-593.25M	USD	Annual
Change in short-term debt	`ChangeInShortTermDebt`	$165.00M	USD	3 Qtrs
Change in short-term debt	`ChangeInShortTermDebt`	$218.00M	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	3 Qtrs
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$1.85B	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	3 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.25M	USD	3 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.10M	USD	3 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.25M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.12M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.36M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-16.30M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-19.93M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.16M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$254.02M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.95B	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.47B	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.37B	USD	3 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$635.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-739.00K	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`	$198.00K	USD	3 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$103.34M	USD	3 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-11.42M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$162.75M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-47.42M	USD	3 Qtrs
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$83.35M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.95M	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`	$175.27M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$186.69M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$83.35M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.95M	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`	$175.27M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$186.69M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$98.57M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$146.79M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$57.13M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$194.02M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$6.86M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$12.72M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$10.32M	USD	3 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$7.67M	USD	3 Qtrs

Stockholders Equity 15 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	67.06M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	60.42M	shares	Point-in-time
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.24M	USD	3 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-416.00K	USD	3 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.65M	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`	$-828.00K	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-413.00K	USD	1 Quarter
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$-44.93M	USD	3 Qtrs
Ending balance (in shares)	`CommonStockSharesOutstanding`	67.06M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	60.42M	shares	Point-in-time
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.86	USD	3 Qtrs
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.78	USD	3 Qtrs
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.59	USD	1 Quarter

Comprehensive Income 78 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$136.03M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$151.03M	USD	Annual
Net income (loss)	`ProfitLoss`	$79.85M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$-9.29M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$241.06M	USD	Annual
Net income (loss)	`ProfitLoss`	$-11.32M	USD	1 Quarter
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-43.73M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$44.97M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$547.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$766.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$183.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$282.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$34.00K	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-19.85M	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-28.32M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-8.47M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.62M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-25.42M	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-32.61M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$21.83M	USD	3 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$-2.96M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$61.77M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$16.57M	USD	3 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$5.52M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$7.28M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.38M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.38M	USD	3 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.40M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-4.14M	USD	3 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-11.81M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.13M	USD	1 Quarter
Amounts reclassified into net income (loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.24M	USD	3 Qtrs
Amounts reclassified into net income (loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-416.00K	USD	3 Qtrs
Amounts reclassified into net income (loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.65M	USD	Annual
Amounts reclassified into net income (loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	1 Quarter
Amounts reclassified into net income (loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-828.00K	USD	Annual
Amounts reclassified into net income (loss)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-413.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$1.65M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$828.00K	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$1.24M	USD	3 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$416.00K	USD	3 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$413.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-5.83M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$2.58M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-6.92M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-324.00K	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-7.26M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.06M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-4.70M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.17M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.05M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-263.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.47M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.72M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$76.38M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$156.75M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-16.02M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$141.08M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$237.89M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-9.56M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.68M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.28M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.79M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$991.00K	USD	1 Quarter
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.19M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.56M	USD	3 Qtrs
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`	$152.96M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$135.89M	USD	3 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-17.01M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-11.84M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$231.21M	USD	Annual

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