$OGS
ONE Gas, Inc. Stock $ogs

$ogs Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000158773222000019 Filed on February 24, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$593.7M	$1.809B	$484.2M
YoY Change	22.62%	18.19%	6.98%
Cost Of Revenue	$307.8M	$775.0M	$208.3M
YoY Change	47.79%	44.21%	9.23%
Gross Profit	$285.9M	$1.034B	$275.9M
YoY Change	3.62%	4.11%	5.35%
Gross Profit Margin	48.15%	57.15%	56.98%
Selling, General & Admin	$145.9M	$516.1M	$138.9M
YoY Change	5.07%	4.39%	3.81%
% of Gross Profit	51.05%	49.93%	50.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$52.94M	$207.2M	$52.00M
YoY Change	1.82%	6.33%	12.8%
% of Gross Profit	18.52%	20.05%	18.85%
Operating Expenses	$198.9M	$723.3M	$190.8M
YoY Change	4.24%	4.92%	6.06%
Operating Profit	$87.00M	$310.3M	$85.10M
YoY Change	2.24%	2.22%	3.82%
Interest Expense	-$14.47M	$60.30M	-$15.40M
YoY Change	-6.02%	-3.53%	-1.91%
% of Operating Profit	-16.63%	19.44%	-18.1%
Other Income/Expense, Net	-$1.449M	-$3.207M	$200.0K
YoY Change	-824.5%	6.19%	-118.18%
Pretax Income	$71.08M	$246.8M	$69.80M
YoY Change	1.84%	3.68%	7.22%
Income Tax	$10.57M	$40.32M	$11.40M
% Of Pretax Income	14.87%	16.34%	16.33%
Net Earnings	$60.51M	$206.4M	$58.30M
YoY Change	3.79%	5.1%	13.95%
Net Earnings / Revenue	10.19%	11.41%	12.04%
Basic Earnings Per Share		$3.85
Diluted Earnings Per Share	$1.124M	$3.85	$1.090M
COMMON SHARES
Basic Shares Outstanding	53.59M shares	53.58M shares	53.10M shares
Diluted Shares Outstanding		53.67M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$8.852M	$8.852M	$8.000M
YoY Change	10.65%	10.65%	-55.31%
Cash & Equivalents	$8.852M	$8.852M	$7.993M
Short-Term Investments
Other Short-Term Assets	$27.74M	$1.639B	$35.41M
YoY Change	-21.65%	1678.11%	14.56%
Inventory	$234.5M	$234.5M	$146.7M
Prepaid Expenses
Receivables	$341.8M	$341.8M	$293.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.225B	$2.225B	$539.9M
YoY Change	312.06%	312.03%	6.65%
LONG-TERM ASSETS
Property, Plant & Equipment	$5.222B	$5.222B	$4.904B
YoY Change	6.47%	6.47%	6.63%
Goodwill	$158.0M		$158.0M
YoY Change	0.0%		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$103.9M	$797.9M	$96.88M
YoY Change	7.26%	87.03%	10.23%
Total Long-Term Assets	$6.178B	$6.178B	$5.489B
YoY Change	12.55%	12.55%	5.51%
TOTAL ASSETS
Total Short-Term Assets	$2.225B	$2.225B	$539.9M
Total Long-Term Assets	$6.178B	$6.178B	$5.489B
Total Assets	$8.402B	$8.402B	$6.029B
YoY Change	39.37%	39.37%	5.61%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$258.6M	$258.6M	$152.3M
YoY Change	69.75%	69.77%	26.41%
Accrued Expenses	$67.04M	$73.84M	$36.40M
YoY Change	84.16%	4.29%	-33.21%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$494.0M	$0.00
YoY Change		18.13%
Long-Term Debt Due	$11.00K
YoY Change
Total Short-Term Liabilities	$980.5M	$980.5M	$797.1M
YoY Change	23.01%	23.01%	-8.67%
LONG-TERM LIABILITIES
Long-Term Debt	$3.683B	$3.683B	$1.582B
YoY Change	132.77%	132.77%	23.04%
Other Long-Term Liabilities	$105.3M	$693.4M	$113.9M
YoY Change	-7.56%	-8.65%	-3.73%
Total Long-Term Liabilities	$3.789B	$4.377B	$1.696B
YoY Change	123.35%	86.92%	20.79%
TOTAL LIABILITIES
Total Short-Term Liabilities	$980.5M	$980.5M	$797.1M
Total Long-Term Liabilities	$3.789B	$4.377B	$1.696B
Total Liabilities	$4.769B	$6.053B	$2.493B
YoY Change	91.27%	59.47%	9.5%
SHAREHOLDERS EQUITY
Retained Earnings	$565.2M		$483.6M
YoY Change	16.86%		20.16%
Common Stock	$536.0K		$532.0K
YoY Change	0.75%		0.76%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.350B	$2.350B	$2.233B
YoY Change
Total Liabilities & Shareholders Equity	$8.402B	$8.402B	$6.029B
YoY Change	39.37%	39.37%	5.61%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$60.51M	$206.4M	$58.30M
YoY Change	3.79%	5.1%	13.95%
Depreciation, Depletion And Amortization	$52.94M	$207.2M	$52.00M
YoY Change	1.82%	6.33%	12.8%
Cash From Operating Activities	$24.92M	-$1.536B	$39.20M
YoY Change	-36.43%	-521.31%	79.82%
INVESTING ACTIVITIES
Capital Expenditures	-$147.5M	$495.2M	-$122.4M
YoY Change	20.54%	5.07%	9.78%
Acquisitions
YoY Change
Other Investing Activities	-$4.139M	-$5.837M	-$100.0K
YoY Change	4039.0%	-683.7%	-96.15%
Cash From Investing Activities	-$151.7M	-$501.1M	-$122.6M
YoY Change	23.72%	6.53%	7.45%
FINANCING ACTIVITIES
Cash Dividend Paid		$123.9M
YoY Change		8.34%
Common Stock Issuance & Retirement, Net		$26.66M
YoY Change		37.55%
Debt Paid & Issued, Net		$400.0M
YoY Change
Cash From Financing Activities	129.1M	$2.038B	85.20M
YoY Change	51.58%	2022.23%	-12.7%
NET CHANGE
Cash From Operating Activities	24.92M	-$1.536B	39.20M
Cash From Investing Activities	-151.7M	-$501.1M	-122.6M
Cash From Financing Activities	129.1M	$2.038B	85.20M
Net Change In Cash	2.385M	$859.0K	1.800M
YoY Change	32.5%	-108.71%	-66.04%
FREE CASH FLOW
Cash From Operating Activities	$24.92M	-$1.536B	$39.20M
Capital Expenditures	-$147.5M	$495.2M	-$122.4M
Free Cash Flow	$172.5M	-$2.031B	$161.6M
YoY Change	6.72%	1800.79%	21.23%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001587732
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
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CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	479000	USD
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CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	250000000	shares
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CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53674199	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53166733	shares
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	12418000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	13159000	USD
CY2021	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.32
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CY2019	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.00
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CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
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CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
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CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
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CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	USD
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CY2021	ogs	Segment Reporting Disclosureof Major Customer SegmentReportingDisclosureofMajorCustomer	0
CY2021	us-gaap	Debt Instrument Covenant Description DebtInstrumentCovenantDescription	The indenture governing our Senior Notes includes an event of default upon the acceleration of other indebtedness of $100 million or more. Such events of default would entitle the trustee or the holders of 25 percent in the aggregate principal amount of the outstanding Senior Notes to declare those senior notes immediately due and payable in full.
CY2021	us-gaap	Debt Instrument Call Feature DebtInstrumentCallFeature	We may redeem our Senior Notes at par, plus accrued and unpaid interest to the redemption date, starting one month, three months, and six months, respectively, before their maturity dates. Prior to these dates, we may redeem these Senior Notes, in whole or in part, at a redemption price equal to the principal amount, plus accrued and unpaid interest and a make-whole premium. The redemption price will never be less than 100 percent of the principal amount of the respective note plus accrued and unpaid interest to the redemption date. Our Senior Notes are senior unsecured obligations, ranking equally in right of payment with all of our existing and future unsecured senior indebtedness.
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CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	11000	USD
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CY2021	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	390000	USD
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CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-36108
CY2021	dei	Entity Registrant Name EntityRegistrantName	ONE Gas, Inc.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OK
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	46-3561936
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	15 East Fifth Street
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Tulsa,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	OK
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	74103
CY2021	dei	City Area Code CityAreaCode	(918)
CY2021	dei	Local Phone Number LocalPhoneNumber	947-7000
CY2021	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2021	dei	Trading Symbol TradingSymbol	OGS
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2021	dei	Auditor Location AuditorLocation	Tulsa, Oklahoma
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CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	195374000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	185314000	USD
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	7274268000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	6838603000	USD
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	2083433000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	1971546000	USD
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	5190835000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	4867057000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8852000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7993000	USD
CY2021Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	341756000	USD
CY2020Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	292985000	USD
CY2021Q4	us-gaap	Materials Supplies And Other MaterialsSuppliesAndOther	54892000	USD
CY2020Q4	us-gaap	Materials Supplies And Other MaterialsSuppliesAndOther	52766000	USD
CY2021Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	179646000	USD
CY2020Q4	us-gaap	Public Utilities Inventory PublicUtilitiesInventory	93946000	USD
CY2021Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1611676000	USD
CY2020Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	56773000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	27742000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	35406000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	2224564000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	539869000	USD
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	724862000	USD
CY2020Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	366956000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	157953000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	157953000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	103906000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	96877000	USD
CY2021Q4	ogs	Totalgoodwillandotherassets Totalgoodwillandotherassets	986721000	USD
CY2020Q4	ogs	Totalgoodwillandotherassets Totalgoodwillandotherassets	621786000	USD
CY2021Q4	us-gaap	Assets Assets	8402120000	USD
CY2020Q4	us-gaap	Assets Assets	6028712000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	536000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	532000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1790362000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1756921000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	565161000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	483635000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6527000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7777000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2349532000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2233311000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	12418000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	13159000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3683378000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1582428000	USD
CY2021Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	6032910000	USD
CY2020Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	3815739000	USD
CY2021Q4	us-gaap	Commercial Paper CommercialPaper	494000000	USD
CY2020Q4	us-gaap	Commercial Paper CommercialPaper	418225000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	258554000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	152313000	USD
CY2021Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	67035000	USD
CY2020Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	63800000	USD
CY2021Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	8090000	USD
CY2020Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	15761000	USD
CY2021Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	62454000	USD
CY2020Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	68028000	USD
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	90360000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	78952000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	980493000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	797079000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	695284000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	656806000	USD
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	552928000	USD
CY2020Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	547563000	USD
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	35226000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	97637000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	105279000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	113888000	USD
CY2021Q4	ogs	Total Deferred Credits And Other Liabilities TotalDeferredCreditsAndOtherLiabilities	1388717000	USD
CY2020Q4	ogs	Total Deferred Credits And Other Liabilities TotalDeferredCreditsAndOtherLiabilities	1415894000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8402120000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6028712000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	206434000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	196412000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	186749000	USD
CY2021	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	207233000	USD
CY2020	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	194881000	USD
CY2019	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	180395000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	43449000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	18485000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13307000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	10498000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	9803000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	9314000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	9131000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	15450000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	8994000	USD
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	57902000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	58423000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-30415000	USD
CY2021	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	2126000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	85700000	USD
CY2020	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	-2966000	USD
CY2019	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	11399000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-10313000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3036000	USD
CY2021	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	49029000	USD
CY2020	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	40833000	USD
CY2019	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	47784000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	107207000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	28376000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-59293000	USD
CY2021	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	3235000	USD
CY2020	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	15844000	USD
CY2019	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	316000	USD
CY2021	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-5574000	USD
CY2020	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	10041000	USD
CY2019	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-3196000	USD
CY2021	ogs	Increase Decrease In Regulatory Assets And Liabilities Current IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent	1562574000	USD
CY2020	ogs	Increase Decrease In Regulatory Assets And Liabilities Current IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent	38773000	USD
CY2019	ogs	Increase Decrease In Regulatory Assets And Liabilities Current IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent	-3787000	USD
CY2021	ogs	Increase Decrease In Regulatory Assets And Liabilities Non Current IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent	367210000	USD
CY2020	ogs	Increase Decrease In Regulatory Assets And Liabilities Non Current IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent	-23648000	USD
CY2019	ogs	Increase Decrease In Regulatory Assets And Liabilities Non Current IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent	-24416000	USD
CY2021	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	0	USD
CY2020	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-3109000	USD
CY2019	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-35401000	USD
CY2021	us-gaap	Increase Decrease In Other Current Assets And Liabilities Net IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet	-18461000	USD
CY2020	us-gaap	Increase Decrease In Other Current Assets And Liabilities Net IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet	12877000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets And Liabilities Net IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet	-7173000	USD
CY2021	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	11190000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	7704000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	484000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1535657000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	364500000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	471345000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	310345000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	495246000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	417322000	USD
CY2021	us-gaap	Payments To Acquire Assets Investing Activities PaymentsToAcquireAssetsInvestingActivities	7554000	USD
CY2020	us-gaap	Payments To Acquire Assets Investing Activities PaymentsToAcquireAssetsInvestingActivities	2804000	USD
CY2019	us-gaap	Payments To Acquire Assets Investing Activities PaymentsToAcquireAssetsInvestingActivities	7009000	USD
CY2021	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	1717000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	3777000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	1399000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-501083000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-470372000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-422932000	USD
CY2021	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	75775000	USD
CY2020	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-98275000	USD
CY2019	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	217000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2498895000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	298428000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	35110000	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	2885000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	26662000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	19383000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5116000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	400000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	123912000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	114372000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	105424000	USD
CY2021	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	-4711000	USD
CY2020	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	-6267000	USD
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	-7575000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2037599000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	96012000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	109117000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	859000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-9860000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-3470000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7993000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17853000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21323000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8852000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7993000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17853000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	70066000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	18700000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	16600000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	60126000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	61160000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-10809000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	30361000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	30152000	USD
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52598005	shares
CY2019	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	173744	shares
CY2019	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.00
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52771749	shares
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	394984	shares
CY2020	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.16
CY2021	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	466477	shares
CY2021	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.32
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2042656000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	186749000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1435000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2349532000	USD
CY2021Q4	ogs	Number Of Natural Gas Distribution Services Customers NumberOfNaturalGasDistributionServicesCustomers	2200000
CY2019	us-gaap	Income Tax Effects Allocated Directly To Equity Cumulative Effect Of Change In Accounting Principle IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple	0	USD
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	105424000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - The preparation of our consolidated financial statements and related disclosures in accordance with GAAP requires us to make estimates and assumptions with respect to values or conditions that cannot be known with certainty that affect the reported amount of assets and liabilities, and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements. These estimates and assumptions also affect the reported amounts of revenue and expenses during the reporting period. Items that may be estimated include, but are not limited to, the economic useful life of assets, fair value of assets and liabilities, provisions for doubtful accounts receivable, unbilled revenues for natural gas delivered but for which meters have not been read, natural gas purchased but for which no invoice has been received, provision for income taxes, including any deferred income tax valuation allowances, the results of litigation and various other recorded or disclosed amounts.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We evaluate these estimates on an ongoing basis using historical experience and other methods we consider reasonable based on the particular circumstances. Nevertheless, actual results may differ significantly from the estimates. Any effects on our financial position or results of operations from revisions to these estimates are recorded in the period when the facts that give rise to the revision become known.</span></div>
CY2021Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	183200000	USD
CY2020Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	144900000	USD
CY2021Q4	ogs	Number Of Natural Gas Distribution Services Customers NumberOfNaturalGasDistributionServicesCustomers	2200000
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	6844000	USD
CY2019	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.00
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2129390000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	196412000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1038000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	22919000	USD
CY2020	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.16
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	114372000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2233311000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	206434000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1250000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	32449000	USD
CY2021	ogs	Common Stock Dividends Declared Annualized Basis CommonStockDividendsDeclaredAnnualizedBasis	2.32
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	123912000	USD
CY2021	us-gaap	Derivatives Reporting Of Derivative Activity DerivativesReportingOfDerivativeActivity	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Derivatives and Risk Management Activities</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - We record all derivative instruments at fair value, with the exception of normal purchases and normal sales that are expected to result in physical delivery. The accounting for changes in the fair value of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship and, if so, the reason for holding it, or if regulatory requirements impose a different accounting treatment.</span><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">If certain conditions are met, we may elect to designate a derivative instrument as a hedge of exposure to changes in fair values or cash flows. We have not elected to designate any of our derivative instruments as hedges.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The table below summarizes the various ways in which we account for our derivative instruments and the impact on our consolidated financial statements:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:22.326%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.728%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:34.039%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.728%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:34.479%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Recognition and Measurement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Accounting Treatment</span></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="border-top:2pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Balance Sheet</span></td><td colspan="3" style="border-top:2pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td colspan="3" style="border-top:2pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Income Statement</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Normal purchases and<br/>normal sales</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair value not recorded</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#cceeff;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value not recognized in earnings</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mark-to-market</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Recorded at fair value</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value recognized in, and<br/>recoverable through, the purchased-gas cost adjustment mechanisms</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">See Note 9 for additional information regarding our hedging activities using derivatives.</span></div>
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	USD
CY2021	ogs	Segment Reporting Disclosureof Major Customer SegmentReportingDisclosureofMajorCustomer	0
CY2019	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1652730000	USD
CY2021	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1787815000	USD
CY2020	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1510501000	USD
CY2019	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1647479000	USD
CY2021	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	11132000	USD
CY2020	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	11468000	USD
CY2019	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	9950000	USD
CY2021	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1808597000	USD
CY2020	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	1530268000	USD
CY2021Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1000000000	USD
CY2021Q4	ogs	Lineof Credit Facility Sublimit LineofCreditFacilitySublimit	20000000	USD
CY2021Q4	us-gaap	Bridge Loan BridgeLoan	60000000	USD
CY2021Q4	ogs	Lineof Credit Facility Optionto Increase Borrowing Capacity LineofCreditFacilityOptiontoIncreaseBorrowingCapacity	500000000	USD
CY2021	us-gaap	Line Of Credit Facility Interest Rate Description LineOfCreditFacilityInterestRateDescription	The ONE Gas Credit Agreement utilizes LIBOR as the reference rate for determining interest to accrue on the borrowings. In the event LIBOR is not available, and such circumstances are unlikely to be temporary, our lenders may establish an alternative interest rate for the senior notes by replacing LIBOR with one or more secured overnight financing-based rates or another alternate benchmark rate.
CY2021Q4	ogs	Approved Debt To Capital Ratio Through December312021 ApprovedDebtToCapitalRatioThroughDecember312021	0.725
CY2021Q4	ogs	Approved Debt To Capital Ratio After December312021 ApprovedDebtToCapitalRatioAfterDecember312021	0.70
CY2021Q4	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.64
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	1200000	USD
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2021Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	998800000	USD
CY2021Q4	ogs	Commercialpapermaximumborrowingcapacity Commercialpapermaximumborrowingcapacity	1000000000	USD
CY2021Q4	us-gaap	Commercial Paper CommercialPaper	494000000	USD
CY2020Q4	us-gaap	Commercial Paper CommercialPaper	418200000	USD
CY2021	us-gaap	Short Term Debt Weighted Average Interest Rate Over Time ShortTermDebtWeightedAverageInterestRateOverTime	0.0038
CY2020	us-gaap	Short Term Debt Weighted Average Interest Rate Over Time ShortTermDebtWeightedAverageInterestRateOverTime	0.0018
CY2021Q4	us-gaap	Long Term Debt Percentage Bearing Variable Interest Rate LongTermDebtPercentageBearingVariableInterestRate	0.0081
CY2021Q4	ogs	Debt Instrument Covenant Compliance Default Provision Indebtnedness Threshold DebtInstrumentCovenantComplianceDefaultProvisionIndebtnednessThreshold	100000000	USD
CY2021Q4	ogs	Debt Instrument Covenant Compliance Default Provision Debt Holders DebtInstrumentCovenantComplianceDefaultProvisionDebtHolders	0.25
CY2021	us-gaap	Debt Instrument Redemption Price Percentage DebtInstrumentRedemptionPricePercentage	1
CY2021	us-gaap	Lessee Operating Lease Option To Extend LesseeOperatingLeaseOptionToExtend	10 years
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	8200000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	8400000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	8500000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	400000	USD
CY2021	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	400000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0278
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0281
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0362
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	8000000.0	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	8000000.0	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	8400000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	400000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	9800000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	9500000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7500000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	6300000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4800000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4100000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3300000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	7700000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	33700000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2500000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	31200000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	31200000	USD
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	ogs	Commonstockauthorizedandavailableforissuance Commonstockauthorizedandavailableforissuance	196400000	shares
CY2021Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	20000000	USD
CY2021	ogs	At The Market Equity Program Aggregate Offering Price Limit AtTheMarketEquityProgramAggregateOfferingPriceLimit	250000000	USD
CY2021	ogs	At The Market Equity Program Shares Issued AtTheMarketEquityProgramSharesIssued	281124	USD
CY2020	ogs	At The Market Equity Program Shares Issued AtTheMarketEquityProgramSharesIssued	179514	USD
CY2021	ogs	At The Market Equity Program Gross Proceeds AtTheMarketEquityProgramGrossProceeds	21400000	USD
CY2020	ogs	At The Market Equity Program Gross Proceeds AtTheMarketEquityProgramGrossProceeds	13600000	USD
CY2021	ogs	At The Market Equity Program Proceeds Net Of Issuance Costs AtTheMarketEquityProgramProceedsNetOfIssuanceCosts	21100000	USD
CY2020	ogs	At The Market Equity Program Proceeds Net Of Issuance Costs AtTheMarketEquityProgramProceedsNetOfIssuanceCosts	13500000	USD
CY2021	ogs	At The Market Equity Program Equity Available For Issuance AtTheMarketEquityProgramEquityAvailableForIssuance	215000000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.32
CY2021Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.58
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.16
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.54
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6739000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	587000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1932000	USD
CY2020	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	298000	USD
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-894000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1038000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7777000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	11000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	78000	USD
CY2021	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	390000	USD
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1172000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1250000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6527000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-45896000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-42492000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-35283000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-279000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-117000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-673000	USD
CY2021	ogs	Othercomprehensiveincomelossreclassificationadjustmentbeforetaxandregulatoryadjustments Othercomprehensiveincomelossreclassificationadjustmentbeforetaxandregulatoryadjustments	-45617000	USD
CY2020	ogs	Othercomprehensiveincomelossreclassificationadjustmentbeforetaxandregulatoryadjustments Othercomprehensiveincomelossreclassificationadjustmentbeforetaxandregulatoryadjustments	-42375000	USD
CY2019	ogs	Othercomprehensiveincomelossreclassificationadjustmentbeforetaxandregulatoryadjustments Othercomprehensiveincomelossreclassificationadjustmentbeforetaxandregulatoryadjustments	-34610000	USD
CY2021	ogs	Othercomprehensiveincomelossreclassification Regulatoryadjustments OthercomprehensiveincomelossreclassificationRegulatoryadjustments	44055000	USD
CY2020	ogs	Othercomprehensiveincomelossreclassification Regulatoryadjustments OthercomprehensiveincomelossreclassificationRegulatoryadjustments	41183000	USD
CY2019	ogs	Othercomprehensiveincomelossreclassification Regulatoryadjustments OthercomprehensiveincomelossreclassificationRegulatoryadjustments	33758000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	-1562000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	-1192000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	-852000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-390000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-298000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-213000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	-1172000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	-894000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	-639000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	206434000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53575000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.85
CY2021	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	99000	shares
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	206434000	USD
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53674000	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.85
CY2020	us-gaap	Net Income Loss NetIncomeLoss	196412000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53133000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2020	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	237000	shares
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	196412000	USD
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53370000	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.68
CY2019	us-gaap	Net Income Loss NetIncomeLoss	186749000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52895000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.53
CY2019	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	345000	shares
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	186749000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53240000	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.51
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Derivative Nonmonetary Notional Amount DerivativeNonmonetaryNotionalAmount	13.2	Bcf
CY2021Q4	ogs	Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld	9500000	USD
CY2021Q4	ogs	Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld	9500000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2020Q4	us-gaap	Derivative Nonmonetary Notional Amount DerivativeNonmonetaryNotionalAmount	14.7	Bcf
CY2020Q4	ogs	Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld	6700000	USD
CY2020Q4	ogs	Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld Premiumsrecordedinothercurrentassetsonnaturalgascontractsheld	6700000	USD
CY2021	ogs	Fair Value Assets Transfersbetween Levels FairValueAssetsTransfersbetweenLevels	0	USD
CY2021Q4	ogs	Corporatebondsinotherassets Corporatebondsinotherassets	6900000	USD
CY2021Q4	ogs	Corporatebondsinotherassets Corporatebondsinotherassets	6900000	USD
CY2021Q4	ogs	Treasurynotesinotherassets Treasurynotesinotherassets	3500000	USD
CY2021Q4	ogs	Treasurynotesinotherassets Treasurynotesinotherassets	3500000	USD
CY2020Q4	ogs	Corporatebondsinotherassets Corporatebondsinotherassets	1600000	USD
CY2020Q4	ogs	Treasurynotesinotherassets Treasurynotesinotherassets	3200000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	3700000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1600000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1600000000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	ogs	Netregulatoryassetsandliabilitiescurrent Netregulatoryassetsandliabilitiescurrent	1603586000	USD
CY2021Q4	ogs	Netregulatoryassetsandliabilitiesnoncurrent Netregulatoryassetsandliabilitiesnoncurrent	171934000	USD
CY2021Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	1775520000	USD
CY2020Q4	ogs	Netregulatoryassetsandliabilitiescurrent Netregulatoryassetsandliabilitiescurrent	41012000	USD
CY2020Q4	ogs	Netregulatoryassetsandliabilitiesnoncurrent Netregulatoryassetsandliabilitiesnoncurrent	-180607000	USD
CY2020Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	-139595000	USD
CY2021Q1	ogs	February2021 Natural Gas Purchases February2021NaturalGasPurchases	2100000000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	ogs	Ong Deferred Extraordinary Costs From2021 Winter Storm Uri ONGDeferredExtraordinaryCostsFrom2021WinterStormUri	1300000000	USD
CY2021Q4	ogs	Maximum Amount The Regulatory Asset For The Winter Storm Can Be Reduced By For Collections Of Penalties Assessed On Marketers And Individually Balanced Transportation Customers MaximumAmountTheRegulatoryAssetForTheWinterStormCanBeReducedByForCollectionsOfPenaltiesAssessedOnMarketersAndIndividuallyBalancedTransportationCustomers	52400000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	ogs	Kgs Deferred Extraordinary Costs From2021 Winter Storm Uri KGSDeferredExtraordinaryCostsFrom2021WinterStormUri	388300000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	ogs	Tgs Deferred Extraordinary Costs From2021 Winter Storm Uri TGSDeferredExtraordinaryCostsFrom2021WinterStormUri	256600000	USD
CY2021Q4	ogs	Deferred Extraordinary Costs From2021 Winter Storm Uri DeferredExtraordinaryCostsFrom2021WinterStormUri	2000000000	USD
CY2021Q4	ogs	Ong Deferred Extraordinary Costs From2021 Winter Storm Uri ONGDeferredExtraordinaryCostsFrom2021WinterStormUri	1300000000	USD
CY2021Q4	ogs	Kgs Deferred Extraordinary Costs From2021 Winter Storm Uri KGSDeferredExtraordinaryCostsFrom2021WinterStormUri	388300000	USD
CY2021Q4	ogs	Tgs Deferred Extraordinary Costs From2021 Winter Storm Uri TGSDeferredExtraordinaryCostsFrom2021WinterStormUri	256600000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	ogs	Reduction In Adit Recorded As An Edit Regulatory Liability Associated With Reduction Of Oklahoma State Income Tax ReductionInADITRecordedAsAnEDITRegulatoryLiabilityAssociatedWithReductionOfOklahomaStateIncomeTax	29300000	USD
CY2021Q4	ogs	Kansas Gas Servicetaxreformregulatoryliability KansasGasServicetaxreformregulatoryliability	84200000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	us-gaap	Amortization Of Rate Deferral AmortizationOfRateDeferral	5500000	USD
CY2020	us-gaap	Amortization Of Rate Deferral AmortizationOfRateDeferral	3200000	USD
CY2019	us-gaap	Amortization Of Rate Deferral AmortizationOfRateDeferral	2500000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	4300000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1800000	shares
CY2021	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	7500000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2500000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	7000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2300000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	6800000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2200000	USD
CY2021Q4	ogs	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fair Value Of Shares Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesGranted	3660000	USD
CY2020Q4	ogs	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fair Value Of Shares Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesGranted	3005000	USD
CY2019Q4	ogs	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fair Value Of Shares Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueOfSharesGranted	3001000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021Q4	ogs	Defined Benefit Plan Assumptions Used To Determine Benefit Obligations Rateof Compensation Increase Minimum DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum	0.0310
CY2021Q4	ogs	Defined Benefit Plan Assumptions Used To Determine Benefit Obligations Rateof Compensation Increase Maximum DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum	0.0500
CY2020Q4	ogs	Defined Benefit Plan Assumptions Used To Determine Benefit Obligations Rateof Compensation Increase Minimum DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMinimum	0.0310
CY2020Q4	ogs	Defined Benefit Plan Assumptions Used To Determine Benefit Obligations Rateof Compensation Increase Maximum DefinedBenefitPlanAssumptionsUsedToDetermineBenefitObligationsRateofCompensationIncreaseMaximum	0.0390
CY2021	ogs	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Minimum DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMinimum	0.0310
CY2021	ogs	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Maximum DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum	0.0390
CY2020	ogs	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Minimum DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMinimum	0.0310
CY2020	ogs	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Maximum DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum	0.0400
CY2019	ogs	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Minimum DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMinimum	0.0320
CY2019	ogs	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase Maximum DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncreaseMaximum	0.0400
CY2021	us-gaap	Defined Benefit Plan Narrative Description Of Basis Used To Determine Overall Expected Long Term Rate Of Return On Assets Assumption DefinedBenefitPlanNarrativeDescriptionOfBasisUsedToDetermineOverallExpectedLongTermRateOfReturnOnAssetsAssumption	We determine our discount rates annually. We estimate our discount rate based upon a comparison of the expected cash flows associated with our future payments under our defined benefit pension and other postemployment obligations to a hypothetical bond portfolio created using high-quality bonds that closely match expected cash flows. Bond portfolios are developed by selecting a bond for each of the next 60 years based on the maturity dates of the bonds. Bonds selected to be included in the portfolios are only those rated by Moody’s as AA- or better and exclude callable bonds, bonds with less than a minimum issue size, yield outliers and other filtering criteria to remove unsuitable bonds.
CY2020	ogs	Lump Sum Benefit Payments Paid LumpSumBenefitPaymentsPaid	12500000	USD
CY2021	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	0	USD
CY2021Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0600
CY2020Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0625
CY2021Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0450
CY2020Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0450
CY2021	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2028
CY2020	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2026
CY2021Q4	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	1
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1568000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20129000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	24537000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-1565000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2965000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5008000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-3133000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	23094000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	29545000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	37810000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	10757000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8375000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	5639000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	7728000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4932000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	43449000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	18485000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13307000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	40316000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	41579000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	42852000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	246750000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	237991000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	229601000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	51817000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	49978000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	48215000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4074000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	10693000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	9758000	USD
CY2021	ogs	Amortizationof Edi Tregulatoryliability AmortizationofEDITregulatoryliability	17289000	USD
CY2020	ogs	Amortizationof Edi Tregulatoryliability AmortizationofEDITregulatoryliability	17031000	USD
CY2019	ogs	Amortizationof Edi Tregulatoryliability AmortizationofEDITregulatoryliability	12828000	USD
CY2021	ogs	Effective Income Tax Rate Reconciliationtaxbenefitofemployeesharebasedcompensation EffectiveIncomeTaxRateReconciliationtaxbenefitofemployeesharebasedcompensation	-469000	USD
CY2020	ogs	Effective Income Tax Rate Reconciliationtaxbenefitofemployeesharebasedcompensation EffectiveIncomeTaxRateReconciliationtaxbenefitofemployeesharebasedcompensation	-1489000	USD
CY2019	ogs	Effective Income Tax Rate Reconciliationtaxbenefitofemployeesharebasedcompensation EffectiveIncomeTaxRateReconciliationtaxbenefitofemployeesharebasedcompensation	-2116000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2183000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-572000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-177000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	40316000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	41579000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	42852000	USD
CY2021Q4	ogs	Reduction In Adit Recorded As An Edit Regulatory Liability Associated With Reduction Of Oklahoma State Income Tax ReductionInADITRecordedAsAnEDITRegulatoryLiabilityAssociatedWithReductionOfOklahomaStateIncomeTax	29300000	USD
CY2021Q4	ogs	Kansas Gas Servicetaxreformregulatoryliability KansasGasServicetaxreformregulatoryliability	84200000	USD
CY2021Q4	ogs	Reduction To Base Rates Due To Kansas Gas Service Tax Reform Regulatory Liability ReductionToBaseRatesDueToKansasGasServiceTaxReformRegulatoryLiability	4900000	USD
CY2021Q4	ogs	Deferredtaxassetemployeebenefitsandotheraccruedliabilities Deferredtaxassetemployeebenefitsandotheraccruedliabilities	11126000	USD
CY2020Q4	ogs	Deferredtaxassetemployeebenefitsandotheraccruedliabilities Deferredtaxassetemployeebenefitsandotheraccruedliabilities	28127000	USD
CY2021Q4	ogs	Deferredtaxassetregulatoryadjustments Deferredtaxassetregulatoryadjustments	120051000	USD
CY2020Q4	ogs	Deferredtaxassetregulatoryadjustments Deferredtaxassetregulatoryadjustments	121738000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	424861000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	0	USD
CY2021Q4	ogs	Deferred Tax Assets Leasing Arrangements DeferredTaxAssetsLeasingArrangements	6906000	USD
CY2020Q4	ogs	Deferred Tax Assets Leasing Arrangements DeferredTaxAssetsLeasingArrangements	9319000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	12597000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	4790000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	575541000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	163974000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	734051000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	717492000	USD
CY2021Q4	ogs	Deferred Tax Liabilities Regulatory Assets And Liabilities Winter Weather Event Costs DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts	421070000	USD
CY2020Q4	ogs	Deferred Tax Liabilities Regulatory Assets And Liabilities Winter Weather Event Costs DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterWeatherEventCosts	0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	37433000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	5240000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	71541000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	88260000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	6730000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	9788000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1270825000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	820780000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	695284000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	656806000	USD
CY2021Q4	ogs	Deferred Tax Liabilities Regulatory Assets And Liabilities Winter Storm Uri DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilitiesWinterStormUri	421100000	USD
CY2021	ogs	Net Periodic Cost Other Than Service Cost NetPeriodicCostOtherThanServiceCost	-3930000	USD
CY2020	ogs	Net Periodic Cost Other Than Service Cost NetPeriodicCostOtherThanServiceCost	-5071000	USD
CY2019	ogs	Net Periodic Cost Other Than Service Cost NetPeriodicCostOtherThanServiceCost	-5895000	USD
CY2021	ogs	Earnings Losses On Investments Associated With Nonqualified Employee Benefit Plans EarningsLossesOnInvestmentsAssociatedWithNonqualifiedEmployeeBenefitPlans	3699000	USD
CY2020	ogs	Earnings Losses On Investments Associated With Nonqualified Employee Benefit Plans EarningsLossesOnInvestmentsAssociatedWithNonqualifiedEmployeeBenefitPlans	4616000	USD
CY2019	ogs	Earnings Losses On Investments Associated With Nonqualified Employee Benefit Plans EarningsLossesOnInvestmentsAssociatedWithNonqualifiedEmployeeBenefitPlans	5268000	USD
CY2021	ogs	Other Net OtherNet	-2976000	USD
CY2020	ogs	Other Net OtherNet	-2565000	USD
CY2019	ogs	Other Net OtherNet	-2349000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3207000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3020000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2976000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Auditor Firm AuditorFirmId	238

Files In Submission

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$OGS
ONE Gas, Inc. Stock $ogs

2021 Q4 Form 10-K Financial Statement

#000158773222000019 Filed on February 24, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OGS ONE Gas, Inc. Stock $ogs

2021 Q4 Form 10-K Financial Statement

#000158773222000019 Filed on February 24, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OGS
ONE Gas, Inc. Stock $ogs