Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Property and equipment consists of the following (in millions):



	December 31,
	2012			2011
Network equipment	$	1,912		$	1,016
Land	36			34
Buildings	594			355
Leasehold improvements	194			120
Computer software, office equipment and other	93			73
Construction in progress	444			327
Total	3,273			1,925
Less: accumulated depreciation	(882		)	(450		)
Property and equipment, net	$	2,391		$	1,475

- 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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