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| 0000092380-18-000031-index.html | 2018-02-07 12:58:11 | |
| 0000092380-18-000031.txt | 2018-02-07 12:58:11 | |
 0000092380-18-000031-xbrl.zip | 422513 | 2018-02-07 12:58:11 |
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| FilingSummary.xml | 41741 | 2018-02-07 12:58:11 |
| Financial_Report.xlsx | 134790 | 2018-02-07 12:58:11 |
| luv-12312017x10k.htm | 3019737 | 2018-02-07 12:58:11 |
| luv-12312017xex101.htm | 2527227 | 2018-02-07 12:58:11 |
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| luv-20171231.xml | 3712600 | 2018-02-07 12:58:11 |
| luv-20171231.xsd | 87742 | 2018-02-07 12:58:11 |
| luv-20171231_cal.xml | 141124 | 2018-02-07 12:58:11 |
| luv-20171231_def.xml | 519168 | 2018-02-07 12:58:11 |
| luv-20171231_lab.xml | 1274044 | 2018-02-07 12:58:11 |
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| report.css | 2767 | 2018-02-07 12:58:11 |
| Show.js | 1410 | 2018-02-07 12:58:11 |
 southwestfinal.jpg | 158833 | 2018-02-07 12:58:11 |