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| 0000081018-20-000010-index.html | 2020-07-31 13:14:32 | |
| 0000081018-20-000010.txt | 2020-07-31 13:14:32 | |
 0000081018-20-000010-xbrl.zip | 299620 | 2020-07-31 13:14:32 |
| FilingSummary.xml | 32614 | 2020-07-31 13:14:32 |
| Financial_Report.xlsx | 80949 | 2020-07-31 13:14:32 |
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| psco-20200630.htm | 2632057 | 2020-07-31 13:14:32 |
| psco-20200630.xsd | 50550 | 2020-07-31 13:14:32 |
| psco-20200630_cal.xml | 94175 | 2020-07-31 13:14:32 |
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| psco-20200630_lab.xml | 628712 | 2020-07-31 13:14:32 |
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| report.css | 2767 | 2020-07-31 13:14:32 |
| Show.js | 1085 | 2020-07-31 13:14:32 |