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|---|---|---|
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| 0000072909-20-000011-index.html | 2020-07-31 13:12:44 | |
| 0000072909-20-000011.txt | 2020-07-31 13:12:44 | |
 0000072909-20-000011-xbrl.zip | 223070 | 2020-07-31 13:12:44 |
| FilingSummary.xml | 26634 | 2020-07-31 13:12:44 |
| Financial_Report.xlsx | 62772 | 2020-07-31 13:12:44 |
| MetaLinks.json | 522953 | 2020-07-31 13:12:44 |
| nspw-20200630.htm | 1657208 | 2020-07-31 13:12:44 |
| nspw-20200630.xsd | 39849 | 2020-07-31 13:12:44 |
| nspw-20200630_cal.xml | 78203 | 2020-07-31 13:12:44 |
| nspw-20200630_def.xml | 187548 | 2020-07-31 13:12:44 |
| nspw-20200630_htm.xml | 1737589 | 2020-07-31 13:12:44 |
| nspw-20200630_lab.xml | 499688 | 2020-07-31 13:12:44 |
| nspw-20200630_pre.xml | 306999 | 2020-07-31 13:12:44 |
| nspwex3101q22020.htm | 12727 | 2020-07-31 13:12:44 |
| nspwex3102q22020.htm | 12712 | 2020-07-31 13:12:44 |
| nspwex3201q22020.htm | 11511 | 2020-07-31 13:12:44 |
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| R8.htm | 41994 | 2020-07-31 13:12:44 |
| R9.htm | 5262 | 2020-07-31 13:12:44 |
| report.css | 2767 | 2020-07-31 13:12:44 |
| Show.js | 1085 | 2020-07-31 13:12:44 |