Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352541-26-000007-index-headers.html | 2026-02-20 14:58:00 | |
| 0000352541-26-000007-index.html | 2026-02-20 14:58:00 | |
| 0000352541-26-000007.txt | 2026-02-20 14:58:00 | |
 0000352541-26-000007-xbrl.zip | 1077951 | 2026-02-20 14:58:00 |
| FilingSummary.xml | 80498 | 2026-02-20 14:58:00 |
| lnt-20251231.htm | 5644326 | 2026-02-20 14:58:00 |
| lnt-20251231.xsd | 124472 | 2026-02-20 14:58:00 |
| lnt-20251231_cal.xml | 103595 | 2026-02-20 14:58:00 |
| lnt-20251231_def.xml | 1241130 | 2026-02-20 14:58:00 |
 lnt-20251231_g1.jpg | 334542 | 2026-02-20 14:58:00 |
 lnt-20251231_g2.jpg | 13819 | 2026-02-20 14:58:00 |
 lnt-20251231_g3.jpg | 14729 | 2026-02-20 14:58:00 |
 lnt-20251231_g4.jpg | 12119 | 2026-02-20 14:58:00 |
 lnt-20251231_g5.jpg | 12016 | 2026-02-20 14:58:00 |
| lnt-20251231_htm.xml | 15239775 | 2026-02-20 14:58:00 |
| lnt-20251231_lab.xml | 1347480 | 2026-02-20 14:58:00 |
| lnt-20251231_pre.xml | 1360396 | 2026-02-20 14:58:00 |
| lnt1231202510-kex1012.htm | 6979 | 2026-02-20 14:58:00 |
| lnt1231202510-kex211.htm | 3585 | 2026-02-20 14:58:00 |
| lnt1231202510-kex231.htm | 2277 | 2026-02-20 14:58:00 |
| lnt1231202510-kex232.htm | 2048 | 2026-02-20 14:58:00 |
| lnt1231202510-kex233.htm | 2046 | 2026-02-20 14:58:00 |
| lnt1231202510-kex311.htm | 9385 | 2026-02-20 14:58:00 |
| lnt1231202510-kex312.htm | 9406 | 2026-02-20 14:58:00 |
| lnt1231202510-kex313.htm | 9379 | 2026-02-20 14:58:00 |
| lnt1231202510-kex314.htm | 9412 | 2026-02-20 14:58:00 |
| lnt1231202510-kex315.htm | 9364 | 2026-02-20 14:58:00 |
| lnt1231202510-kex316.htm | 9410 | 2026-02-20 14:58:00 |
| lnt1231202510-kex321.htm | 4361 | 2026-02-20 14:58:00 |
| lnt1231202510-kex322.htm | 4344 | 2026-02-20 14:58:00 |
| lnt1231202510-kex323.htm | 4342 | 2026-02-20 14:58:00 |
| lnt1231202510-kex41c.htm | 78784 | 2026-02-20 14:58:00 |
| MetaLinks.json | 1745278 | 2026-02-20 14:58:00 |
| R1.htm | 92021 | 2026-02-20 14:58:00 |
| R10.htm | 259649 | 2026-02-20 14:58:00 |
| R100.htm | 12408 | 2026-02-20 14:58:00 |
| R101.htm | 24334 | 2026-02-20 14:58:00 |
| R102.htm | 24337 | 2026-02-20 14:58:00 |
| R103.htm | 24432 | 2026-02-20 14:58:00 |
| R104.htm | 11608 | 2026-02-20 14:58:00 |
| R105.htm | 27997 | 2026-02-20 14:58:00 |
| R106.htm | 32983 | 2026-02-20 14:58:00 |
| R107.htm | 27277 | 2026-02-20 14:58:00 |
| R108.htm | 19864 | 2026-02-20 14:58:00 |
| R109.htm | 25145 | 2026-02-20 14:58:00 |
| R11.htm | 63873 | 2026-02-20 14:58:00 |
| R110.htm | 104718 | 2026-02-20 14:58:00 |
| R111.htm | 39276 | 2026-02-20 14:58:00 |
| R112.htm | 21992 | 2026-02-20 14:58:00 |
| R113.htm | 44864 | 2026-02-20 14:58:00 |
| R114.htm | 57309 | 2026-02-20 14:58:00 |
| R115.htm | 19754 | 2026-02-20 14:58:00 |
| R116.htm | 5230 | 2026-02-20 14:58:00 |
| R117.htm | 122525 | 2026-02-20 14:58:00 |
| R118.htm | 13919 | 2026-02-20 14:58:00 |
| R119.htm | 20782 | 2026-02-20 14:58:00 |
| R12.htm | 133031 | 2026-02-20 14:58:00 |
| R120.htm | 14902 | 2026-02-20 14:58:00 |
| R121.htm | 14053 | 2026-02-20 14:58:00 |
| R122.htm | 55105 | 2026-02-20 14:58:00 |
| R123.htm | 96462 | 2026-02-20 14:58:00 |
| R124.htm | 58918 | 2026-02-20 14:58:00 |
| R13.htm | 38383 | 2026-02-20 14:58:00 |
| R14.htm | 24550 | 2026-02-20 14:58:00 |
| R15.htm | 638643 | 2026-02-20 14:58:00 |
| R16.htm | 647317 | 2026-02-20 14:58:00 |
| R17.htm | 285554 | 2026-02-20 14:58:00 |
| R18.htm | 601066 | 2026-02-20 14:58:00 |
| R19.htm | 1764107 | 2026-02-20 14:58:00 |
| R2.htm | 124355 | 2026-02-20 14:58:00 |
| R20.htm | 84084 | 2026-02-20 14:58:00 |
| R21.htm | 204036 | 2026-02-20 14:58:00 |
| R22.htm | 504266 | 2026-02-20 14:58:00 |
| R23.htm | 198179 | 2026-02-20 14:58:00 |
| R24.htm | 412580 | 2026-02-20 14:58:00 |
| R25.htm | 67097 | 2026-02-20 14:58:00 |
| R26.htm | 93236 | 2026-02-20 14:58:00 |
| R27.htm | 8465 | 2026-02-20 14:58:00 |
| R28.htm | 49367 | 2026-02-20 14:58:00 |
| R29.htm | 247288 | 2026-02-20 14:58:00 |
| R3.htm | 158453 | 2026-02-20 14:58:00 |
| R30.htm | 66432 | 2026-02-20 14:58:00 |
| R31.htm | 211180 | 2026-02-20 14:58:00 |
| R32.htm | 257538 | 2026-02-20 14:58:00 |
| R33.htm | 63348 | 2026-02-20 14:58:00 |
| R34.htm | 136414 | 2026-02-20 14:58:00 |
| R35.htm | 36820 | 2026-02-20 14:58:00 |
| R36.htm | 14543 | 2026-02-20 14:58:00 |
| R37.htm | 597355 | 2026-02-20 14:58:00 |
| R38.htm | 408488 | 2026-02-20 14:58:00 |
| R39.htm | 272526 | 2026-02-20 14:58:00 |
| R4.htm | 16275 | 2026-02-20 14:58:00 |
| R40.htm | 587972 | 2026-02-20 14:58:00 |
| R41.htm | 1673073 | 2026-02-20 14:58:00 |
| R42.htm | 80040 | 2026-02-20 14:58:00 |
| R43.htm | 187331 | 2026-02-20 14:58:00 |
| R44.htm | 483733 | 2026-02-20 14:58:00 |
| R45.htm | 153619 | 2026-02-20 14:58:00 |
| R46.htm | 395259 | 2026-02-20 14:58:00 |
| R47.htm | 59724 | 2026-02-20 14:58:00 |
| R48.htm | 95759 | 2026-02-20 14:58:00 |
| R49.htm | 40756 | 2026-02-20 14:58:00 |
| R5.htm | 146141 | 2026-02-20 14:58:00 |
| R50.htm | 23308 | 2026-02-20 14:58:00 |
| R51.htm | 11815 | 2026-02-20 14:58:00 |
| R52.htm | 45964 | 2026-02-20 14:58:00 |
| R53.htm | 42672 | 2026-02-20 14:58:00 |
| R54.htm | 26486 | 2026-02-20 14:58:00 |
| R55.htm | 24198 | 2026-02-20 14:58:00 |
| R56.htm | 12679 | 2026-02-20 14:58:00 |
| R57.htm | 71014 | 2026-02-20 14:58:00 |
| R58.htm | 19006 | 2026-02-20 14:58:00 |
| R59.htm | 35241 | 2026-02-20 14:58:00 |
| R6.htm | 62469 | 2026-02-20 14:58:00 |
| R60.htm | 12077 | 2026-02-20 14:58:00 |
| R61.htm | 23243 | 2026-02-20 14:58:00 |
| R62.htm | 20705 | 2026-02-20 14:58:00 |
| R63.htm | 9626 | 2026-02-20 14:58:00 |
| R64.htm | 23395 | 2026-02-20 14:58:00 |
| R65.htm | 7612 | 2026-02-20 14:58:00 |
| R66.htm | 10097 | 2026-02-20 14:58:00 |
| R67.htm | 31972 | 2026-02-20 14:58:00 |
| R68.htm | 79907 | 2026-02-20 14:58:00 |
| R69.htm | 36556 | 2026-02-20 14:58:00 |
| R7.htm | 4557 | 2026-02-20 14:58:00 |
| R70.htm | 18635 | 2026-02-20 14:58:00 |
| R71.htm | 86691 | 2026-02-20 14:58:00 |
| R72.htm | 15030 | 2026-02-20 14:58:00 |
| R73.htm | 22309 | 2026-02-20 14:58:00 |
| R74.htm | 235955 | 2026-02-20 14:58:00 |
| R75.htm | 38751 | 2026-02-20 14:58:00 |
| R76.htm | 7010 | 2026-02-20 14:58:00 |
| R77.htm | 28541 | 2026-02-20 14:58:00 |
| R78.htm | 50318 | 2026-02-20 14:58:00 |
| R79.htm | 9392 | 2026-02-20 14:58:00 |
| R8.htm | 220401 | 2026-02-20 14:58:00 |
| R80.htm | 67224 | 2026-02-20 14:58:00 |
| R81.htm | 75382 | 2026-02-20 14:58:00 |
| R82.htm | 38860 | 2026-02-20 14:58:00 |
| R83.htm | 38002 | 2026-02-20 14:58:00 |
| R84.htm | 88840 | 2026-02-20 14:58:00 |
| R85.htm | 38242 | 2026-02-20 14:58:00 |
| R86.htm | 14285 | 2026-02-20 14:58:00 |
| R87.htm | 7721 | 2026-02-20 14:58:00 |
| R88.htm | 54643 | 2026-02-20 14:58:00 |
| R89.htm | 40606 | 2026-02-20 14:58:00 |
| R9.htm | 260313 | 2026-02-20 14:58:00 |
| R90.htm | 49242 | 2026-02-20 14:58:00 |
| R91.htm | 88007 | 2026-02-20 14:58:00 |
| R92.htm | 45757 | 2026-02-20 14:58:00 |
| R93.htm | 40840 | 2026-02-20 14:58:00 |
| R94.htm | 13048 | 2026-02-20 14:58:00 |
| R95.htm | 20639 | 2026-02-20 14:58:00 |
| R96.htm | 45549 | 2026-02-20 14:58:00 |
| R97.htm | 42353 | 2026-02-20 14:58:00 |
| R98.htm | 108678 | 2026-02-20 14:58:00 |
| R99.htm | 8955 | 2026-02-20 14:58:00 |
| report.css | 2768 | 2026-02-20 14:58:00 |
| Show.js | 1086 | 2026-02-20 14:58:00 |