Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property and equipment

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

	March 31, 2014			December 31, 2013
Network equipment	$	2,444		$	2,351
Land	45			45
Buildings	1,076			1,071
Leasehold improvements	214			203
Computer software, office equipment and other	104			95
Construction in progress	487			377
Total	4,370			4,142
Less: Accumulated depreciation	(1,296		)	(1,260		)
Property and equipment, net	$	3,074		$	2,882