Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Table Text Block]

Property and equipment, net (in millions), and the corresponding ranges of estimated useful lives were as follows:



	Successor						2012
	December 31, 2012			December 31, 2011			Range of Estimated Useful Life
Land	$	5,950		$	5,925		—
Track structure	17,319			16,460			15 – 50 years
Other roadway	20,936			20,300			5 – 100 years
Locomotives	4,505			3,773			5 – 33 years
Freight cars and other equipment	1,744			1,501			8 – 37 years
Computer hardware, software and other	279			259			5 – 9 years
Construction in progress	963			885			—
Total cost	51,696			49,103
Less accumulated depreciation and amortization	(1,626		)	(1,056		)
Property and equipment, net	$	50,070		$	48,047

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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