XML 36 R16.htm IDEA: XBRL DOCUMENT v3.24.0.1

Properties

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Properties

Properties

									Accumulated						Net Book						Depreciation
December 31, 2023			Cost						Depreciation						Value						Rate (1)
			($ in millions)
Land			$	2,439					$	—					$	2,439					—
Roadway:
Rail and other track material			8,011						(2,006)						6,005						2.41		%
Ties			6,205						(1,773)						4,432						3.42		%
Ballast			3,224						(937)						2,287						2.80		%
Construction in process			522						—						522						—
Other roadway			14,663						(4,290)						10,373						2.72		%
Total roadway			32,625						(9,006)						23,619
Equipment:
Locomotives			6,091						(2,105)						3,986						3.64		%
Freight cars			2,792						(1,037)						1,755						2.42		%
Computers and software			1,042						(542)						500						9.36		%
Construction in process			271						—						271						—
Other equipment			1,241						(501)						740						4.61		%
Total equipment			11,437						(4,185)						7,252
Other property			90						(74)						16						2.48		%
Total properties			$	46,591					$	(13,265)					$	33,326

									Accumulated						Net Book						Depreciation
December 31, 2022			Cost						Depreciation						Value						Rate (1)
			($ in millions)
Land			$	2,405					$	—					$	2,405					—
Roadway:
Rail and other track material			7,589						(1,971)						5,618						2.42		%
Ties			5,981						(1,696)						4,285						3.49		%
Ballast			3,126						(873)						2,253						2.84		%
Construction in process			431						—						431						—
Other roadway			14,270						(3,948)						10,322						2.69		%
Total roadway			31,397						(8,488)						22,909
Equipment:
Locomotives			5,878						(2,060)						3,818						3.66		%
Freight cars			2,701						(1,033)						1,668						2.51		%
Computers and software			926						(476)						450						9.10		%
Construction in process			206						—						206						—
Other equipment			1,145						(463)						682						4.51		%
Total equipment			10,856						(4,032)						6,824
Other property			90						(72)						18						2.26		%
Total properties			$	44,748					$	(12,592)					$	32,156

(1)Composite annual depreciation rate for the underlying assets, excluding the effects of the amortization of any deficiency (or excess) that resulted from our depreciation studies.

Capitalized Interest

Total interest cost incurred on debt was $743 million, $708 million, and $657 million during 2023, 2022 and 2021, respectively, of which $21 million, $16 million, and $11 million was capitalized during 2023, 2022 and 2021, respectively.

X

- References

No definition available.

+ Details

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

X

- Definition

The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//360/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480321/958-360-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480321/958-360-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-SubTopic 360
-Topic 958
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480321/958-360-50-7

+ Details

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