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Properties (Tables)

6 Months Ended

Jun. 30, 2020

Properties [Abstract]

Schedule Of Properties

The following tables list the major categories of property and equipment, as well as the weighted-average estimated useful life for each category (in years):

Millions, Except Estimated Useful Life			Accumulated		Net Book		Estimated
As of June 30, 2020	Cost		Depreciation		Value		Useful Life
Land	$	5,274	$	N/A	$	5,274	N/A
Road:
Rail and other track material		17,391		6,496		10,895	42
Ties		10,886		3,264		7,622	34
Ballast		5,855		1,704		4,151	34
Other roadway [a]		20,629		4,195		16,434	48
Total road		54,761		15,659		39,102	N/A
Equipment:
Locomotives		9,400		3,456		5,944	17
Freight cars		2,095		784		1,311	24
Work equipment and other		1,098		338		760	18
Total equipment		12,593		4,578		8,015	N/A
Technology and other		1,196		510		686	12
Construction in progress		1,193		-		1,193	N/A
Total	$	75,017	$	20,747	$	54,270	N/A

Millions, Except Estimated Useful Life			Accumulated		Net Book		Estimated
As of December 31, 2019	Cost		Depreciation		Value		Useful Life
Land	$	5,276	$	N/A	$	5,276	N/A
Road:
Rail and other track material		17,178		6,381		10,797	42
Ties		10,693		3,186		7,507	34
Ballast		5,752		1,669		4,083	34
Other roadway [a]		20,331		4,056		16,275	48
Total road		53,954		15,292		38,662	N/A
Equipment:
Locomotives		9,467		3,434		6,033	18
Freight cars		2,083		779		1,304	25
Work equipment and other		1,081		322		759	18
Total equipment		12,631		4,535		8,096	N/A
Technology and other		1,136		503		633	12
Construction in progress		1,249		-		1,249	N/A
Total	$	74,246	$	20,330	$	53,916	N/A

[a]Other roadway includes grading, bridges and tunnels, signals, buildings, and other road assets.

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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