Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352541-25-000053-index-headers.html | 2025-05-09 12:28:18 | |
| 0000352541-25-000053-index.html | 2025-05-09 12:28:18 | |
| 0000352541-25-000053.txt | 2025-05-09 12:28:18 | |
 0000352541-25-000053-xbrl.zip | 621203 | 2025-05-09 12:28:18 |
| FilingSummary.xml | 42979 | 2025-05-09 12:28:18 |
| Financial_Report.xlsx | 108837 | 2025-05-09 12:28:18 |
| lnt-20250331.htm | 1981634 | 2025-05-09 12:28:18 |
| lnt-20250331.xsd | 54455 | 2025-05-09 12:28:18 |
| lnt-20250331_cal.xml | 60030 | 2025-05-09 12:28:18 |
| lnt-20250331_def.xml | 596178 | 2025-05-09 12:28:18 |
 lnt-20250331_g1.jpg | 319349 | 2025-05-09 12:28:18 |
 lnt-20250331_g2.jpg | 15146 | 2025-05-09 12:28:18 |
 lnt-20250331_g3.jpg | 12985 | 2025-05-09 12:28:18 |
 lnt-20250331_g4.jpg | 13776 | 2025-05-09 12:28:18 |
| lnt-20250331_htm.xml | 4797594 | 2025-05-09 12:28:18 |
| lnt-20250331_lab.xml | 670844 | 2025-05-09 12:28:18 |
| lnt-20250331_pre.xml | 673667 | 2025-05-09 12:28:18 |
| lnt331202510-qex311.htm | 9354 | 2025-05-09 12:28:18 |
| lnt331202510-qex312.htm | 9375 | 2025-05-09 12:28:18 |
| lnt331202510-qex313.htm | 9345 | 2025-05-09 12:28:18 |
| lnt331202510-qex314.htm | 9380 | 2025-05-09 12:28:18 |
| lnt331202510-qex315.htm | 9396 | 2025-05-09 12:28:18 |
| lnt331202510-qex316.htm | 9378 | 2025-05-09 12:28:18 |
| lnt331202510-qex321.htm | 4351 | 2025-05-09 12:28:18 |
| lnt331202510-qex322.htm | 4307 | 2025-05-09 12:28:18 |
| lnt331202510-qex323.htm | 4434 | 2025-05-09 12:28:18 |
| MetaLinks.json | 982910 | 2025-05-09 12:28:18 |
| R1.htm | 63333 | 2025-05-09 12:28:18 |
| R10.htm | 339835 | 2025-05-09 12:28:18 |
| R11.htm | 84225 | 2025-05-09 12:28:18 |
| R12.htm | 146300 | 2025-05-09 12:28:18 |
| R13.htm | 55264 | 2025-05-09 12:28:18 |
| R14.htm | 178227 | 2025-05-09 12:28:18 |
| R15.htm | 147644 | 2025-05-09 12:28:18 |
| R16.htm | 491017 | 2025-05-09 12:28:18 |
| R17.htm | 80692 | 2025-05-09 12:28:18 |
| R18.htm | 231517 | 2025-05-09 12:28:18 |
| R19.htm | 64904 | 2025-05-09 12:28:18 |
| R2.htm | 107339 | 2025-05-09 12:28:18 |
| R20.htm | 14477 | 2025-05-09 12:28:18 |
| R21.htm | 8465 | 2025-05-09 12:28:18 |
| R22.htm | 18160 | 2025-05-09 12:28:18 |
| R23.htm | 142253 | 2025-05-09 12:28:18 |
| R24.htm | 40413 | 2025-05-09 12:28:18 |
| R25.htm | 11617 | 2025-05-09 12:28:18 |
| R26.htm | 328908 | 2025-05-09 12:28:18 |
| R27.htm | 61358 | 2025-05-09 12:28:18 |
| R28.htm | 143607 | 2025-05-09 12:28:18 |
| R29.htm | 53180 | 2025-05-09 12:28:18 |
| R3.htm | 149629 | 2025-05-09 12:28:18 |
| R30.htm | 181379 | 2025-05-09 12:28:18 |
| R31.htm | 142792 | 2025-05-09 12:28:18 |
| R32.htm | 494198 | 2025-05-09 12:28:18 |
| R33.htm | 50093 | 2025-05-09 12:28:18 |
| R34.htm | 225431 | 2025-05-09 12:28:18 |
| R35.htm | 59925 | 2025-05-09 12:28:18 |
| R36.htm | 42733 | 2025-05-09 12:28:18 |
| R37.htm | 28153 | 2025-05-09 12:28:18 |
| R38.htm | 12891 | 2025-05-09 12:28:18 |
| R39.htm | 11716 | 2025-05-09 12:28:18 |
| R4.htm | 16706 | 2025-05-09 12:28:18 |
| R40.htm | 18290 | 2025-05-09 12:28:18 |
| R41.htm | 8486 | 2025-05-09 12:28:18 |
| R42.htm | 14766 | 2025-05-09 12:28:18 |
| R43.htm | 11588 | 2025-05-09 12:28:18 |
| R44.htm | 86994 | 2025-05-09 12:28:18 |
| R45.htm | 65330 | 2025-05-09 12:28:18 |
| R46.htm | 22002 | 2025-05-09 12:28:18 |
| R47.htm | 21233 | 2025-05-09 12:28:18 |
| R48.htm | 69275 | 2025-05-09 12:28:18 |
| R49.htm | 8514 | 2025-05-09 12:28:18 |
| R5.htm | 113062 | 2025-05-09 12:28:18 |
| R50.htm | 14773 | 2025-05-09 12:28:18 |
| R51.htm | 17625 | 2025-05-09 12:28:18 |
| R52.htm | 32771 | 2025-05-09 12:28:18 |
| R53.htm | 9001 | 2025-05-09 12:28:18 |
| R54.htm | 21540 | 2025-05-09 12:28:18 |
| R55.htm | 25560 | 2025-05-09 12:28:18 |
| R56.htm | 18320 | 2025-05-09 12:28:18 |
| R57.htm | 22193 | 2025-05-09 12:28:18 |
| R58.htm | 99245 | 2025-05-09 12:28:18 |
| R59.htm | 30561 | 2025-05-09 12:28:18 |
| R6.htm | 13049 | 2025-05-09 12:28:18 |
| R60.htm | 27239 | 2025-05-09 12:28:18 |
| R61.htm | 27538 | 2025-05-09 12:28:18 |
| R62.htm | 21717 | 2025-05-09 12:28:18 |
| R63.htm | 19771 | 2025-05-09 12:28:18 |
| R64.htm | 107282 | 2025-05-09 12:28:18 |
| R65.htm | 11557 | 2025-05-09 12:28:18 |
| R66.htm | 18638 | 2025-05-09 12:28:18 |
| R67.htm | 12537 | 2025-05-09 12:28:18 |
| R68.htm | 11396 | 2025-05-09 12:28:18 |
| R7.htm | 143133 | 2025-05-09 12:28:18 |
| R8.htm | 38640 | 2025-05-09 12:28:18 |
| R9.htm | 11972 | 2025-05-09 12:28:18 |
| report.css | 2767 | 2025-05-09 12:28:18 |
| Show.js | 1085 | 2025-05-09 12:28:18 |