Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352541-21-000103-index-headers.html | 2021-12-20 20:32:57 | |
| 0000352541-21-000103-index.html | 2021-12-20 20:32:57 | |
| 0000352541-21-000103.txt | 2021-12-20 20:32:57 | |
 0000352541-21-000103-xbrl.zip | 133300 | 2021-12-20 20:32:57 |
| FilingSummary.xml | 1881 | 2021-12-20 20:32:57 |
| Financial_Report.xlsx | 6253 | 2021-12-20 20:32:57 |
| lnt-20211217.htm | 61084 | 2021-12-20 20:32:57 |
| lnt-20211217.xsd | 2997 | 2021-12-20 20:32:57 |
| lnt-20211217_def.xml | 20137 | 2021-12-20 20:32:57 |
| lnt-20211217_htm.xml | 23517 | 2021-12-20 20:32:57 |
| lnt-20211217_lab.xml | 36974 | 2021-12-20 20:32:57 |
| lnt-20211217_pre.xml | 19688 | 2021-12-20 20:32:57 |
| lnt121720218-kex31.htm | 15377 | 2021-12-20 20:32:57 |
| lnt121720218-kex41.htm | 903173 | 2021-12-20 20:32:57 |
| MetaLinks.json | 25653 | 2021-12-20 20:32:57 |
| R1.htm | 50960 | 2021-12-20 20:32:57 |
| report.css | 2767 | 2021-12-20 20:32:57 |
| Show.js | 1085 | 2021-12-20 20:32:57 |