<SEC-DOCUMENT>0001437749-23-003966-index.html : 20230221
<SEC-HEADER>0001437749-23-003966.hdr.sgml : 20230221
<ACCEPTANCE-DATETIME>20230221161018
ACCESSION NUMBER:		0001437749-23-003966
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20230221
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20230221
DATE AS OF CHANGE:		20230221

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNION PACIFIC CORP
		CENTRAL INDEX KEY:			0000100885
		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
		IRS NUMBER:				132626465
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06075
		FILM NUMBER:		23648201

	BUSINESS ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET
		STREET 2:		STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179
		BUSINESS PHONE:		402 544 6763

	MAIL ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET
		STREET 2:		STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>unp20230217b_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: unp20230217b_8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.1
<SEQUENCE>2
<FILENAME>ex_477374.htm
<DESCRIPTION>EXHIBIT 1.1
<TEXT>
Document 2 - file: ex_477374.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>3
<FILENAME>ex_477375.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 3 - file: ex_477375.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>4
<FILENAME>ex_477376.htm
<DESCRIPTION>EXHIBIT 4.2
<TEXT>
Document 4 - file: ex_477376.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>5
<FILENAME>ex_477378.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 5 - file: ex_477378.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>6
<FILENAME>unp-20230221.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 6 - file: unp-20230221.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>7
<FILENAME>unp-20230221_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
<TEXT>
Document 7 - file: unp-20230221_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>8
<FILENAME>unp-20230221_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 8 - file: unp-20230221_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>9
<FILENAME>unp-20230221_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 9 - file: unp-20230221_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ex_421451img001.jpg
<TEXT>
Document 10 - file: ex_421451img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>unp20230217b_8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: unp20230217b_8k_htm.html

Document 12 - RAW XML: unp20230217b_8k_htm.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>13
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: FilingSummary.html

Document 16 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>18
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 18 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>19
<FILENAME>0001437749-23-003966-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 19 - file: 0001437749-23-003966-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>