XML 67 R42.htm IDEA: XBRL DOCUMENT v3.24.0.1

Note 14 - Debt (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Debt [Table Text Block]

Millions		2023				2022
Notes and debentures, 2.2% to 7.1% due through February 14, 2072		$	33,383			$	33,658
Equipment obligations, 2.6% to 6.2% due through January 2, 2031 [a]			770				809
Finance leases, 3.1% to 6.8% due through December 10, 2028			158				234
Commercial paper			-				200
Receivables Facility (Note 10)			-				100
Term loans			-				100
Unamortized discount and deferred issuance costs			(1,732	)			(1,775	)
Total debt			32,579				33,326
Less: current portion			(1,423	)			(1,678	)
Total long-term debt		$	31,156			$	31,648

Schedule of Maturities of Long-Term Debt [Table Text Block]

Millions
2024		$	1,427
2025			1,426
2026			1,515
2027			1,285
2028			1,235
Thereafter			27,423
Total principal			34,311
Unamortized discount and deferred issuance costs			(1,732	)
Total debt		$	32,579

Unsecured Fixed Rate Debt Securities Issued Under Current Shelf Registration [Table Text Block]

Date	Description of Securities
February 21, 2023	$0.50 billion of 4.750% Notes due February 21, 2026
	$0.50 billion of 4.950% Notes due May 15, 2053

X

- Definition

Tabular disclosure of information pertaining to unsecured, fixed-rate debt securities under shelf registration.

+ References

No definition available.

+ Details

Name:	unp_UnsecuredFixedRateDebtSecuritiesIssuedUnderCurrentShelfRegistrationTableTextBlock
Namespace Prefix:	unp_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of maturity and sinking fund requirement for long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 470
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481544/470-10-50-1

+ Details

Name:	us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration