Document and Entity Information
Document and Entity Information | Mar. 11, 2021 |
Cover [Abstract] | |
Amendment Flag | false |
Entity Central Index Key | 0001587732 |
Document Type | 8-K |
Document Period End Date | Mar. 11, 2021 |
Entity Registrant Name | ONE Gas, Inc. |
Entity Incorporation State Country Code | OK |
Entity File Number | 001-36108 |
Entity Tax Identification Number | 46-3561936 |
Entity Address, Address Line One | 15 East Fifth Street |
Entity Address, City or Town | Tulsa |
Entity Address, State or Province | OK |
Entity Address, Postal Zip Code | 74103 |
City Area Code | (918) |
Local Phone Number | 947-7000 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, par value $0.01 per share |
Trading Symbol | OGS |
Security Exchange Name | NYSE |
Entity Emerging Growth Company | false |