{"cik":1587732,"taxonomy":"us-gaap","tag":"AmortizationOfIntangibleAssets","label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","entityName":"ONE Gas, Inc.","units":{"USD":[{"start":"2022-01-01","end":"2022-12-31","val":3500000,"accn":"0001587732-23-000015","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23"},{"start":"2022-01-01","end":"2022-12-31","val":3521000,"accn":"0001587732-24-000013","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-22","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":30219000,"accn":"0001587732-24-000013","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-22","frame":"CY2023"}]}}