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| 0000081018-16-000022-index.html | 2016-05-13 14:09:01 | |
| 0000081018-16-000022.txt | 2016-05-13 14:09:01 | |
 0000081018-16-000022-xbrl.zip | 208522 | 2016-05-13 14:09:01 |
| FilingSummary.xml | 31477 | 2016-05-13 14:09:01 |
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| psco-20160331_lab.xml | 647702 | 2016-05-13 14:09:01 |
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| report.css | 2767 | 2016-05-13 14:09:01 |
| Show.js | 1410 | 2016-05-13 14:09:01 |