Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000100885-15-000143-index-headers.html | 2015-07-24 14:26:22 | |
| 0000100885-15-000143-index.html | 2015-07-24 14:26:22 | |
| 0000100885-15-000143.txt | 2015-07-24 14:26:22 | |
 0000100885-15-000143-xbrl.zip | 134861 | 2015-07-24 14:26:22 |
| FilingSummary.xml | 35680 | 2015-07-24 14:26:22 |
| Financial_Report.xlsx | 68911 | 2015-07-24 14:26:22 |
| R1.htm | 27298 | 2015-07-24 14:26:22 |
| R10.htm | 7276 | 2015-07-24 14:26:22 |
| R11.htm | 10771 | 2015-07-24 14:26:22 |
| R12.htm | 52510 | 2015-07-24 14:26:22 |
| R13.htm | 147556 | 2015-07-24 14:26:22 |
| R14.htm | 79193 | 2015-07-24 14:26:22 |
| R15.htm | 37099 | 2015-07-24 14:26:22 |
| R16.htm | 9221 | 2015-07-24 14:26:22 |
| R17.htm | 51589 | 2015-07-24 14:26:22 |
| R18.htm | 76493 | 2015-07-24 14:26:22 |
| R19.htm | 12329 | 2015-07-24 14:26:22 |
| R2.htm | 59021 | 2015-07-24 14:26:22 |
| R20.htm | 112863 | 2015-07-24 14:26:22 |
| R21.htm | 28823 | 2015-07-24 14:26:22 |
| R22.htm | 8555 | 2015-07-24 14:26:22 |
| R23.htm | 22627 | 2015-07-24 14:26:22 |
| R24.htm | 7882 | 2015-07-24 14:26:22 |
| R25.htm | 79249 | 2015-07-24 14:26:22 |
| R26.htm | 24340 | 2015-07-24 14:26:22 |
| R27.htm | 49388 | 2015-07-24 14:26:22 |
| R28.htm | 151904 | 2015-07-24 14:26:22 |
| R29.htm | 72900 | 2015-07-24 14:26:22 |
| R3.htm | 22464 | 2015-07-24 14:26:22 |
| R30.htm | 36540 | 2015-07-24 14:26:22 |
| R31.htm | 49944 | 2015-07-24 14:26:22 |
| R32.htm | 76387 | 2015-07-24 14:26:22 |
| R33.htm | 111567 | 2015-07-24 14:26:22 |
| R34.htm | 28393 | 2015-07-24 14:26:22 |
| R35.htm | 12403 | 2015-07-24 14:26:22 |
| R36.htm | 58832 | 2015-07-24 14:26:22 |
| R37.htm | 21797 | 2015-07-24 14:26:22 |
| R38.htm | 25114 | 2015-07-24 14:26:22 |
| R39.htm | 26293 | 2015-07-24 14:26:22 |
| R4.htm | 5799 | 2015-07-24 14:26:22 |
| R40.htm | 11699 | 2015-07-24 14:26:22 |
| R41.htm | 20705 | 2015-07-24 14:26:22 |
| R42.htm | 80788 | 2015-07-24 14:26:22 |
| R43.htm | 14489 | 2015-07-24 14:26:22 |
| R44.htm | 28494 | 2015-07-24 14:26:22 |
| R45.htm | 19318 | 2015-07-24 14:26:22 |
| R46.htm | 6646 | 2015-07-24 14:26:22 |
| R47.htm | 31912 | 2015-07-24 14:26:22 |
| R48.htm | 34316 | 2015-07-24 14:26:22 |
| R49.htm | 21667 | 2015-07-24 14:26:22 |
| R5.htm | 71898 | 2015-07-24 14:26:22 |
| R50.htm | 51963 | 2015-07-24 14:26:22 |
| R51.htm | 32079 | 2015-07-24 14:26:22 |
| R52.htm | 8327 | 2015-07-24 14:26:22 |
| R53.htm | 51216 | 2015-07-24 14:26:22 |
| R54.htm | 26769 | 2015-07-24 14:26:22 |
| R55.htm | 5028 | 2015-07-24 14:26:22 |
| R56.htm | 31047 | 2015-07-24 14:26:22 |
| R57.htm | 31038 | 2015-07-24 14:26:22 |
| R58.htm | 21591 | 2015-07-24 14:26:22 |
| R6.htm | 12826 | 2015-07-24 14:26:22 |
| R7.htm | 80203 | 2015-07-24 14:26:22 |
| R8.htm | 44734 | 2015-07-24 14:26:22 |
| R9.htm | 4934 | 2015-07-24 14:26:22 |
| R9999.htm | 3277 | 2015-07-24 14:26:22 |
| report.css | 2767 | 2015-07-24 14:26:22 |
| Show.js | 1410 | 2015-07-24 14:26:22 |
| unp-20150630.xml | 1688107 | 2015-07-24 14:26:22 |
| unp-20150630.xsd | 45946 | 2015-07-24 14:26:22 |
| unp-20150630ex12aeca4a5.htm | 28312 | 2015-07-24 14:26:22 |
| unp-20150630ex12bae8cce.htm | 28250 | 2015-07-24 14:26:22 |
| unp-20150630ex31a103144.htm | 18218 | 2015-07-24 14:26:22 |
| unp-20150630ex31bf86386.htm | 18032 | 2015-07-24 14:26:22 |
| unp-20150630x10q.htm | 1885460 | 2015-07-24 14:26:22 |
| unp-20150630xex32.htm | 14697 | 2015-07-24 14:26:22 |
| unp-20150630_cal.xml | 50551 | 2015-07-24 14:26:22 |
| unp-20150630_def.xml | 131897 | 2015-07-24 14:26:22 |
| unp-20150630_lab.xml | 355505 | 2015-07-24 14:26:22 |
| unp-20150630_pre.xml | 297512 | 2015-07-24 14:26:22 |