Cover Page
Cover Page | Dec. 31, 2023 | May 18, 2023 |
Cover [Abstract] | ||
Amendment Flag | false | |
Entity Central Index Key | 0000007332 | |
Document Type | 8-K | |
Document Period End Date | May 18, 2023 | |
Entity Registrant Name | SOUTHWESTERN ENERGY CO | |
Entity Incorporation, State or Country Code | DE | |
Entity File Number | 001-08246 | |
Entity Tax Identification Number | 71-0205415 | |
Entity Address, Address Line One | 10000 Energy Drive | |
Entity Address, City or Town | Spring | |
Entity Address, State or Province | TX | |
Entity Address, Postal Zip Code | 77389 | |
City Area Code | 832 | |
Local Phone Number | 796-1000 | |
Written Communications | false | |
Soliciting Material | false | |
Pre-commencement Tender Offer | false | |
Pre-commencement Issuer Tender Offer | false | |
Title of 12(b) Security | Common Stock, Par Value $0.01 | |
Trading Symbol | SWN | |
Security Exchange Name | NYSE | |
Entity Emerging Growth Company | false | |
Current Fiscal Year End Date | --12-31 |