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<?xml version="1.0" encoding="windows-1252"?> |
<xbrl xmlns="http://www.xbrl.org/2003/instance" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink"> |
| <link:schemaRef xlink:href="unp-20210514.xsd" xlink:type="simple"/> |
| <context id="Duration_5_13_2021_To_5_14_2021"> |
| | <entity> |
| | | <identifier scheme="http://www.sec.gov/CIK"> 0000100885 </identifier> |
| | | </entity> |
| | <period> |
| | | <startDate> 2021-05-13 </startDate> |
| | | <endDate> 2021-05-14 </endDate> |
| | | </period> |
| | </context> |
| <dei:AmendmentFlag contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-7b1f977d-54fe-49f8-a85f-969561809147"> false </dei:AmendmentFlag> |
| <dei:EntityCentralIndexKey contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-8b46f5c4-3e9e-40fa-8453-a37b99e7d8dd"> 0000100885 </dei:EntityCentralIndexKey> |
| <dei:DocumentType contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-ce2d2c7c-c529-44c9-83e3-7748e905939f"> 8-K </dei:DocumentType> |
| <dei:DocumentPeriodEndDate contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-c9a1638e-808d-4378-9ea8-4e18e75edbde"> 2021-05-14 </dei:DocumentPeriodEndDate> |
| <dei:EntityRegistrantName contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-fbbe5477-163e-4c3e-8a1f-cb3d5382ecfe"> UNION PACIFIC CORPORATION </dei:EntityRegistrantName> |
| <dei:EntityIncorporationStateCountryCode contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-013d278c-5db5-4b11-b231-fccbf8e6d059"> UT </dei:EntityIncorporationStateCountryCode> |
| <dei:EntityFileNumber contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-9a2fab27-6c75-4127-afc0-ee010793ed77"> 1-6075 </dei:EntityFileNumber> |
| <dei:EntityTaxIdentificationNumber contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-2acd2d8d-7b18-4a4e-a5f3-409bd9a9eb35"> 13-2626465 </dei:EntityTaxIdentificationNumber> |
| <dei:EntityAddressAddressLine1 contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-90c8594b-1dcb-4b5f-9b19-22d381fa5e9a"> 1400 Douglas Street </dei:EntityAddressAddressLine1> |
| <dei:EntityAddressCityOrTown contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-223313f5-a1b0-47b9-940f-5180483c527c"> Omaha </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-cfd6b16a-914d-4e04-be45-414a404a94ef"> NE </dei:EntityAddressStateOrProvince> |
| <dei:EntityAddressPostalZipCode contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-245bf0e2-1eb2-4a42-94de-10e06e226466"> 68179 </dei:EntityAddressPostalZipCode> |
| <dei:CityAreaCode contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-a7ae52bb-6594-49d5-8391-bebfe89947bd"> (402) </dei:CityAreaCode> |
| <dei:LocalPhoneNumber contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-611f7077-dd56-42b2-9a2c-124de0af676c"> 544-5000 </dei:LocalPhoneNumber> |
| <dei:WrittenCommunications contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-2812805f-3136-4a84-8fd1-3f62280f2914"> false </dei:WrittenCommunications> |
| <dei:SolicitingMaterial contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-4e8e9efa-d743-421d-84b6-55e049479104"> false </dei:SolicitingMaterial> |
| <dei:PreCommencementTenderOffer contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-a573a830-a086-4294-a4e6-c4898edb692b"> false </dei:PreCommencementTenderOffer> |
| <dei:PreCommencementIssuerTenderOffer contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-93471525-f5ae-48d2-943a-74ac76d01fe3"> false </dei:PreCommencementIssuerTenderOffer> |
| <dei:Security12bTitle contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-6a23017d-aaa7-4125-aa97-221af4bcc2d4"> Common Stock (Par Value $2.50 per share) </dei:Security12bTitle> |
| <dei:TradingSymbol contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-c73a20d1-cfe8-498f-80a9-1c55b320bbc8"> UNP </dei:TradingSymbol> |
| <dei:SecurityExchangeName contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-33f3e432-6d43-4b46-82c7-2d15eaa032f1"> NYSE </dei:SecurityExchangeName> |
| <dei:EntityEmergingGrowthCompany contextRef="Duration_5_13_2021_To_5_14_2021" id="ct-nonNumeric-bf7580b3-e9e6-49e3-91a2-9836c563d05c"> false </dei:EntityEmergingGrowthCompany> |
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