Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000100885-17-000245-index-headers.html | 2017-10-26 16:05:11 | |
| 0000100885-17-000245-index.html | 2017-10-26 16:05:11 | |
| 0000100885-17-000245.txt | 2017-10-26 16:05:11 | |
 0000100885-17-000245-xbrl.zip | 150621 | 2017-10-26 16:05:11 |
| FilingSummary.xml | 39858 | 2017-10-26 16:05:11 |
| Financial_Report.xlsx | 79184 | 2017-10-26 16:05:11 |
| R1.htm | 27146 | 2017-10-26 16:05:11 |
| R10.htm | 7451 | 2017-10-26 16:05:11 |
| R11.htm | 34634 | 2017-10-26 16:05:11 |
| R12.htm | 21606 | 2017-10-26 16:05:11 |
| R13.htm | 51954 | 2017-10-26 16:05:11 |
| R14.htm | 150665 | 2017-10-26 16:05:11 |
| R15.htm | 86112 | 2017-10-26 16:05:11 |
| R16.htm | 39137 | 2017-10-26 16:05:11 |
| R17.htm | 8814 | 2017-10-26 16:05:11 |
| R18.htm | 49678 | 2017-10-26 16:05:11 |
| R19.htm | 80959 | 2017-10-26 16:05:11 |
| R2.htm | 53275 | 2017-10-26 16:05:11 |
| R20.htm | 14110 | 2017-10-26 16:05:11 |
| R21.htm | 111558 | 2017-10-26 16:05:11 |
| R22.htm | 25572 | 2017-10-26 16:05:11 |
| R23.htm | 8379 | 2017-10-26 16:05:11 |
| R24.htm | 21089 | 2017-10-26 16:05:11 |
| R25.htm | 8048 | 2017-10-26 16:05:11 |
| R26.htm | 80006 | 2017-10-26 16:05:11 |
| R27.htm | 26533 | 2017-10-26 16:05:11 |
| R28.htm | 8694 | 2017-10-26 16:05:11 |
| R29.htm | 28822 | 2017-10-26 16:05:11 |
| R3.htm | 20287 | 2017-10-26 16:05:11 |
| R30.htm | 20261 | 2017-10-26 16:05:11 |
| R31.htm | 48870 | 2017-10-26 16:05:11 |
| R32.htm | 155443 | 2017-10-26 16:05:11 |
| R33.htm | 77557 | 2017-10-26 16:05:11 |
| R34.htm | 38312 | 2017-10-26 16:05:11 |
| R35.htm | 49560 | 2017-10-26 16:05:11 |
| R36.htm | 80806 | 2017-10-26 16:05:11 |
| R37.htm | 111026 | 2017-10-26 16:05:11 |
| R38.htm | 25314 | 2017-10-26 16:05:11 |
| R39.htm | 12017 | 2017-10-26 16:05:11 |
| R4.htm | 5105 | 2017-10-26 16:05:11 |
| R40.htm | 58760 | 2017-10-26 16:05:11 |
| R41.htm | 23920 | 2017-10-26 16:05:11 |
| R42.htm | 17229 | 2017-10-26 16:05:11 |
| R43.htm | 22322 | 2017-10-26 16:05:11 |
| R44.htm | 24697 | 2017-10-26 16:05:11 |
| R45.htm | 27771 | 2017-10-26 16:05:11 |
| R46.htm | 11271 | 2017-10-26 16:05:11 |
| R47.htm | 19844 | 2017-10-26 16:05:11 |
| R48.htm | 81385 | 2017-10-26 16:05:11 |
| R49.htm | 14162 | 2017-10-26 16:05:11 |
| R5.htm | 65907 | 2017-10-26 16:05:11 |
| R50.htm | 14851 | 2017-10-26 16:05:11 |
| R51.htm | 29647 | 2017-10-26 16:05:11 |
| R52.htm | 19938 | 2017-10-26 16:05:11 |
| R53.htm | 14344 | 2017-10-26 16:05:11 |
| R54.htm | 26979 | 2017-10-26 16:05:11 |
| R55.htm | 32161 | 2017-10-26 16:05:11 |
| R56.htm | 21291 | 2017-10-26 16:05:11 |
| R57.htm | 51413 | 2017-10-26 16:05:11 |
| R58.htm | 21091 | 2017-10-26 16:05:11 |
| R59.htm | 17012 | 2017-10-26 16:05:11 |
| R6.htm | 10848 | 2017-10-26 16:05:11 |
| R60.htm | 33768 | 2017-10-26 16:05:11 |
| R61.htm | 23021 | 2017-10-26 16:05:11 |
| R62.htm | 4810 | 2017-10-26 16:05:11 |
| R63.htm | 31504 | 2017-10-26 16:05:11 |
| R64.htm | 29422 | 2017-10-26 16:05:11 |
| R65.htm | 22273 | 2017-10-26 16:05:11 |
| R66.htm | 14492 | 2017-10-26 16:05:11 |
| R7.htm | 72545 | 2017-10-26 16:05:11 |
| R8.htm | 41267 | 2017-10-26 16:05:11 |
| R9.htm | 4819 | 2017-10-26 16:05:11 |
| report.css | 2767 | 2017-10-26 16:05:11 |
| Show.js | 1410 | 2017-10-26 16:05:11 |
| unp-20170930.xml | 1853870 | 2017-10-26 16:05:11 |
| unp-20170930.xsd | 51836 | 2017-10-26 16:05:11 |
| unp-20170930x10q.htm | 1961578 | 2017-10-26 16:05:11 |
| unp-20170930xex10.htm | 251692 | 2017-10-26 16:05:11 |
| unp-20170930xex12_a.htm | 32235 | 2017-10-26 16:05:11 |
| unp-20170930xex12_b.htm | 33427 | 2017-10-26 16:05:11 |
| unp-20170930xex31_a.htm | 18359 | 2017-10-26 16:05:11 |
| unp-20170930xex31_b.htm | 18060 | 2017-10-26 16:05:11 |
| unp-20170930xex32.htm | 14483 | 2017-10-26 16:05:11 |
| unp-20170930_cal.xml | 52040 | 2017-10-26 16:05:11 |
| unp-20170930_def.xml | 167145 | 2017-10-26 16:05:11 |
| unp-20170930_lab.xml | 404593 | 2017-10-26 16:05:11 |
| unp-20170930_pre.xml | 342666 | 2017-10-26 16:05:11 |