Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000007332-24-000017-index-headers.html | 2024-05-02 16:22:34 | |
| 0000007332-24-000017-index.html | 2024-05-02 16:22:34 | |
| 0000007332-24-000017.txt | 2024-05-02 16:22:34 | |
 0000007332-24-000017-xbrl.zip | 403016 | 2024-05-02 16:22:34 |
| FilingSummary.xml | 44701 | 2024-05-02 16:22:34 |
| Financial_Report.xlsx | 126771 | 2024-05-02 16:22:34 |
| MetaLinks.json | 907239 | 2024-05-02 16:22:34 |
| R1.htm | 51531 | 2024-05-02 16:22:34 |
| R10.htm | 12946 | 2024-05-02 16:22:34 |
| R11.htm | 13248 | 2024-05-02 16:22:34 |
| R12.htm | 31422 | 2024-05-02 16:22:34 |
| R13.htm | 341873 | 2024-05-02 16:22:34 |
| R14.htm | 17692 | 2024-05-02 16:22:34 |
| R15.htm | 97076 | 2024-05-02 16:22:34 |
| R16.htm | 95955 | 2024-05-02 16:22:34 |
| R17.htm | 31494 | 2024-05-02 16:22:34 |
| R18.htm | 12447 | 2024-05-02 16:22:34 |
| R19.htm | 103916 | 2024-05-02 16:22:34 |
| R2.htm | 104739 | 2024-05-02 16:22:34 |
| R20.htm | 92981 | 2024-05-02 16:22:34 |
| R21.htm | 16048 | 2024-05-02 16:22:34 |
| R22.htm | 15080 | 2024-05-02 16:22:34 |
| R23.htm | 8483 | 2024-05-02 16:22:34 |
| R24.htm | 14631 | 2024-05-02 16:22:34 |
| R25.htm | 56378 | 2024-05-02 16:22:34 |
| R26.htm | 11360 | 2024-05-02 16:22:34 |
| R27.htm | 10597 | 2024-05-02 16:22:34 |
| R28.htm | 32170 | 2024-05-02 16:22:34 |
| R29.htm | 344889 | 2024-05-02 16:22:34 |
| R3.htm | 31738 | 2024-05-02 16:22:34 |
| R30.htm | 16977 | 2024-05-02 16:22:34 |
| R31.htm | 91099 | 2024-05-02 16:22:34 |
| R32.htm | 73508 | 2024-05-02 16:22:34 |
| R33.htm | 21113 | 2024-05-02 16:22:34 |
| R34.htm | 106040 | 2024-05-02 16:22:34 |
| R35.htm | 89192 | 2024-05-02 16:22:34 |
| R36.htm | 19648 | 2024-05-02 16:22:34 |
| R37.htm | 18196 | 2024-05-02 16:22:34 |
| R38.htm | 46560 | 2024-05-02 16:22:34 |
| R39.htm | 18009 | 2024-05-02 16:22:34 |
| R4.htm | 114711 | 2024-05-02 16:22:34 |
| R40.htm | 8437 | 2024-05-02 16:22:34 |
| R41.htm | 11233 | 2024-05-02 16:22:34 |
| R42.htm | 9551 | 2024-05-02 16:22:34 |
| R43.htm | 11101 | 2024-05-02 16:22:34 |
| R44.htm | 43292 | 2024-05-02 16:22:34 |
| R45.htm | 14858 | 2024-05-02 16:22:34 |
| R46.htm | 102172 | 2024-05-02 16:22:34 |
| R47.htm | 15681 | 2024-05-02 16:22:34 |
| R48.htm | 72724 | 2024-05-02 16:22:34 |
| R49.htm | 41958 | 2024-05-02 16:22:34 |
| R5.htm | 12820 | 2024-05-02 16:22:34 |
| R50.htm | 28808 | 2024-05-02 16:22:34 |
| R51.htm | 22904 | 2024-05-02 16:22:34 |
| R52.htm | 8121 | 2024-05-02 16:22:34 |
| R53.htm | 77270 | 2024-05-02 16:22:34 |
| R54.htm | 77857 | 2024-05-02 16:22:34 |
| R55.htm | 19685 | 2024-05-02 16:22:34 |
| R56.htm | 78732 | 2024-05-02 16:22:34 |
| R57.htm | 49673 | 2024-05-02 16:22:34 |
| R58.htm | 13046 | 2024-05-02 16:22:34 |
| R59.htm | 21136 | 2024-05-02 16:22:34 |
| R6.htm | 79926 | 2024-05-02 16:22:34 |
| R60.htm | 24232 | 2024-05-02 16:22:34 |
| R61.htm | 62521 | 2024-05-02 16:22:34 |
| R62.htm | 6842 | 2024-05-02 16:22:34 |
| R63.htm | 6384 | 2024-05-02 16:22:34 |
| R64.htm | 28690 | 2024-05-02 16:22:34 |
| R65.htm | 24787 | 2024-05-02 16:22:34 |
| R66.htm | 31025 | 2024-05-02 16:22:34 |
| R67.htm | 17663 | 2024-05-02 16:22:34 |
| R68.htm | 21809 | 2024-05-02 16:22:34 |
| R69.htm | 21791 | 2024-05-02 16:22:34 |
| R7.htm | 53536 | 2024-05-02 16:22:34 |
| R70.htm | 17595 | 2024-05-02 16:22:34 |
| R71.htm | 21745 | 2024-05-02 16:22:34 |
| R72.htm | 72063 | 2024-05-02 16:22:34 |
| R73.htm | 38595 | 2024-05-02 16:22:34 |
| R8.htm | 15117 | 2024-05-02 16:22:34 |
| R9.htm | 60908 | 2024-05-02 16:22:34 |
| report.css | 2767 | 2024-05-02 16:22:34 |
| Show.js | 1085 | 2024-05-02 16:22:34 |
| swn-20240331.htm | 2224903 | 2024-05-02 16:22:34 |
| swn-20240331.xsd | 74259 | 2024-05-02 16:22:34 |
| swn-20240331xex101.htm | 28748 | 2024-05-02 16:22:34 |
| swn-20240331xex102.htm | 27463 | 2024-05-02 16:22:34 |
| swn-20240331xex311.htm | 9032 | 2024-05-02 16:22:34 |
| swn-20240331xex312.htm | 9085 | 2024-05-02 16:22:34 |
| swn-20240331xex321.htm | 4997 | 2024-05-02 16:22:34 |
| swn-20240331xex322.htm | 4978 | 2024-05-02 16:22:34 |
| swn-20240331_cal.xml | 85267 | 2024-05-02 16:22:34 |
| swn-20240331_def.xml | 424367 | 2024-05-02 16:22:34 |
 swn-20240331_g1.jpg | 89123 | 2024-05-02 16:22:34 |
| swn-20240331_htm.xml | 2378351 | 2024-05-02 16:22:34 |
| swn-20240331_lab.xml | 771560 | 2024-05-02 16:22:34 |
| swn-20240331_pre.xml | 628452 | 2024-05-02 16:22:34 |
| 398484 | 2024-05-02 16:22:34 |