Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

The components of property, plant and equipment, and the related accumulated depreciation for the Predecessor and Successor periods were as follows:

	Successor						Predecessor
	March 31, 2014			December 31, 2013			December 31, 2012
	(in millions)
Land	$	265		$	265		$	330
Network equipment, site costs and related software	14,902			13,524			37,692
Buildings and improvements	745			725			4,893
Non-network internal use software, office equipment and other	866			794			1,860
Construction in progress	1,970			2,677			3,123
Less: accumulated depreciation	(2,449		)	(1,821		)	(34,291		)
Property, plant and equipment, net	$	16,299		$	16,164		$	13,607