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|---|---|---|
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| 0000072909-23-000006-index.html | 2023-04-27 15:57:20 | |
| 0000072909-23-000006.txt | 2023-04-27 15:57:20 | |
 0000072909-23-000006-xbrl.zip | 195073 | 2023-04-27 15:57:20 |
| FilingSummary.xml | 26728 | 2023-04-27 15:57:20 |
| Financial_Report.xlsx | 57085 | 2023-04-27 15:57:20 |
| MetaLinks.json | 623727 | 2023-04-27 15:57:20 |
| nspw-20230331.htm | 861415 | 2023-04-27 15:57:20 |
| nspw-20230331.xsd | 44036 | 2023-04-27 15:57:20 |
| nspw-20230331_cal.xml | 69993 | 2023-04-27 15:57:20 |
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| nspw-20230331_lab.xml | 533064 | 2023-04-27 15:57:20 |
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| nspwex3101q12023.htm | 10858 | 2023-04-27 15:57:20 |
| nspwex3102q12023.htm | 10853 | 2023-04-27 15:57:20 |
| nspwex3201q12023.htm | 8993 | 2023-04-27 15:57:20 |
| R1.htm | 46679 | 2023-04-27 15:57:20 |
| R10.htm | 36073 | 2023-04-27 15:57:20 |
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| R2.htm | 59386 | 2023-04-27 15:57:20 |
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| R26.htm | 18982 | 2023-04-27 15:57:20 |
| R27.htm | 32546 | 2023-04-27 15:57:20 |
| R28.htm | 12804 | 2023-04-27 15:57:20 |
| R29.htm | 13944 | 2023-04-27 15:57:20 |
| R3.htm | 88003 | 2023-04-27 15:57:20 |
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| R31.htm | 55989 | 2023-04-27 15:57:20 |
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| R5.htm | 35602 | 2023-04-27 15:57:20 |
| R6.htm | 8021 | 2023-04-27 15:57:20 |
| R7.htm | 5356 | 2023-04-27 15:57:20 |
| R8.htm | 14678 | 2023-04-27 15:57:20 |
| R9.htm | 28426 | 2023-04-27 15:57:20 |
| report.css | 2767 | 2023-04-27 15:57:20 |
| Show.js | 1085 | 2023-04-27 15:57:20 |