Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000081018-19-000010-index-headers.html | 2019-04-26 17:02:29 | |
| 0000081018-19-000010-index.html | 2019-04-26 17:02:29 | |
| 0000081018-19-000010.txt | 2019-04-26 17:02:29 | |
 0000081018-19-000010-xbrl.zip | 242507 | 2019-04-26 17:02:29 |
| FilingSummary.xml | 35657 | 2019-04-26 17:02:29 |
| Financial_Report.xlsx | 71993 | 2019-04-26 17:02:29 |
| psco-20190331.xml | 2545661 | 2019-04-26 17:02:29 |
| psco-20190331.xsd | 55268 | 2019-04-26 17:02:29 |
| psco-20190331_cal.xml | 110026 | 2019-04-26 17:02:29 |
| psco-20190331_def.xml | 289280 | 2019-04-26 17:02:29 |
| psco-20190331_lab.xml | 784054 | 2019-04-26 17:02:29 |
| psco-20190331_pre.xml | 434367 | 2019-04-26 17:02:29 |
| psco3311910-q.htm | 1216012 | 2019-04-26 17:02:29 |
| pscoex3101q12019.htm | 12538 | 2019-04-26 17:02:29 |
| pscoex3102q12019.htm | 12578 | 2019-04-26 17:02:29 |
| pscoex3201q12019.htm | 10256 | 2019-04-26 17:02:29 |
| R1.htm | 26095 | 2019-04-26 17:02:29 |
| R10.htm | 8284 | 2019-04-26 17:02:29 |
| R11.htm | 46533 | 2019-04-26 17:02:29 |
| R12.htm | 4872 | 2019-04-26 17:02:29 |
| R13.htm | 9576 | 2019-04-26 17:02:29 |
| R14.htm | 43515 | 2019-04-26 17:02:29 |
| R15.htm | 92736 | 2019-04-26 17:02:29 |
| R16.htm | 57457 | 2019-04-26 17:02:29 |
| R17.htm | 377062 | 2019-04-26 17:02:29 |
| R18.htm | 41583 | 2019-04-26 17:02:29 |
| R19.htm | 132057 | 2019-04-26 17:02:29 |
| R2.htm | 24493 | 2019-04-26 17:02:29 |
| R20.htm | 43221 | 2019-04-26 17:02:29 |
| R21.htm | 49535 | 2019-04-26 17:02:29 |
| R22.htm | 50645 | 2019-04-26 17:02:29 |
| R23.htm | 43140 | 2019-04-26 17:02:29 |
| R24.htm | 92140 | 2019-04-26 17:02:29 |
| R25.htm | 60803 | 2019-04-26 17:02:29 |
| R26.htm | 364977 | 2019-04-26 17:02:29 |
| R27.htm | 40943 | 2019-04-26 17:02:29 |
| R28.htm | 206750 | 2019-04-26 17:02:29 |
| R29.htm | 42140 | 2019-04-26 17:02:29 |
| R3.htm | 51144 | 2019-04-26 17:02:29 |
| R30.htm | 45308 | 2019-04-26 17:02:29 |
| R31.htm | 9685 | 2019-04-26 17:02:29 |
| R32.htm | 10557 | 2019-04-26 17:02:29 |
| R33.htm | 21342 | 2019-04-26 17:02:29 |
| R34.htm | 9580 | 2019-04-26 17:02:29 |
| R35.htm | 20337 | 2019-04-26 17:02:29 |
| R36.htm | 10835 | 2019-04-26 17:02:29 |
| R37.htm | 16421 | 2019-04-26 17:02:29 |
| R38.htm | 11817 | 2019-04-26 17:02:29 |
| R39.htm | 64849 | 2019-04-26 17:02:29 |
| R4.htm | 4497 | 2019-04-26 17:02:29 |
| R40.htm | 59945 | 2019-04-26 17:02:29 |
| R41.htm | 39546 | 2019-04-26 17:02:29 |
| R42.htm | 39881 | 2019-04-26 17:02:29 |
| R43.htm | 6465 | 2019-04-26 17:02:29 |
| R44.htm | 109196 | 2019-04-26 17:02:29 |
| R45.htm | 12016 | 2019-04-26 17:02:29 |
| R46.htm | 8085 | 2019-04-26 17:02:29 |
| R47.htm | 37448 | 2019-04-26 17:02:29 |
| R48.htm | 10073 | 2019-04-26 17:02:29 |
| R49.htm | 23265 | 2019-04-26 17:02:29 |
| R5.htm | 16724 | 2019-04-26 17:02:29 |
| R50.htm | 17395 | 2019-04-26 17:02:29 |
| R51.htm | 103649 | 2019-04-26 17:02:29 |
| R52.htm | 7246 | 2019-04-26 17:02:29 |
| R53.htm | 13631 | 2019-04-26 17:02:29 |
| R54.htm | 9041 | 2019-04-26 17:02:29 |
| R55.htm | 32155 | 2019-04-26 17:02:29 |
| R56.htm | 33299 | 2019-04-26 17:02:29 |
| R6.htm | 4985 | 2019-04-26 17:02:29 |
| R7.htm | 91658 | 2019-04-26 17:02:29 |
| R8.htm | 119882 | 2019-04-26 17:02:29 |
| R9.htm | 10926 | 2019-04-26 17:02:29 |
| report.css | 2767 | 2019-04-26 17:02:29 |
| Show.js | 1085 | 2019-04-26 17:02:29 |