Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

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

	March 31, 2016			December 31, 2015
Land	$	683		$	596
Buildings	2,551			2,273
Leasehold improvements	310			447
Network equipment	4,106			3,633
Computer software, office equipment and other	276			248
Construction in progress	887			622
Total	8,813			7,819
Less: Accumulated depreciation	(2,346		)	(2,132		)
Property and equipment, net	$	6,467		$	5,687