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| 0000072909-22-000014-index.html | 2022-10-27 15:04:43 | |
| 0000072909-22-000014.txt | 2022-10-27 15:04:43 | |
 0000072909-22-000014-xbrl.zip | 213194 | 2022-10-27 15:04:43 |
| FilingSummary.xml | 26243 | 2022-10-27 15:04:43 |
| Financial_Report.xlsx | 60808 | 2022-10-27 15:04:43 |
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| nspw-20220930.htm | 1144944 | 2022-10-27 15:04:43 |
| nspw-20220930.xsd | 43852 | 2022-10-27 15:04:43 |
| nspw-20220930_cal.xml | 69993 | 2022-10-27 15:04:43 |
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| nspwex3101q32022.htm | 10859 | 2022-10-27 15:04:43 |
| nspwex3102q32022.htm | 10849 | 2022-10-27 15:04:43 |
| nspwex3201q32022.htm | 8989 | 2022-10-27 15:04:43 |
| R1.htm | 46681 | 2022-10-27 15:04:43 |
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| R21.htm | 13727 | 2022-10-27 15:04:43 |
| R22.htm | 35425 | 2022-10-27 15:04:43 |
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| R26.htm | 12659 | 2022-10-27 15:04:43 |
| R27.htm | 18984 | 2022-10-27 15:04:43 |
| R28.htm | 32545 | 2022-10-27 15:04:43 |
| R29.htm | 12797 | 2022-10-27 15:04:43 |
| R3.htm | 90891 | 2022-10-27 15:04:43 |
| R30.htm | 13937 | 2022-10-27 15:04:43 |
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| R5.htm | 42462 | 2022-10-27 15:04:43 |
| R6.htm | 4739 | 2022-10-27 15:04:43 |
| R7.htm | 8033 | 2022-10-27 15:04:43 |
| R8.htm | 5359 | 2022-10-27 15:04:43 |
| R9.htm | 14680 | 2022-10-27 15:04:43 |
| report.css | 2767 | 2022-10-27 15:04:43 |
| Show.js | 1085 | 2022-10-27 15:04:43 |