Investments (Tables)

12 Months Ended

Dec. 31, 2013

Investments [Abstract]

Schedule of investments in marketable equity securities and other

The components of investments were as follows:

	Successor				Predecessor
	December 31, 2013		December 31, 2012		December 31, 2012
	(in millions)
Marketable equity securities	$	49	$	—	$	45
Equity method and other investments	94		—		1,008
Bond investment	—		2,929		—
Bond derivative	—		175		—
	$	143	$	3,104	$	1,053

Investee summarized income statement information

Summarized financial information for Clearwire for the periods preceding the Clearwire Acquisition is as follows:

	January 1 -  July 9,			Years Ended December 31,
	2013			2012			2011
	(in millions)
Revenues	$	666		$	1,265		$	1,254
Operating expenses	(1,285		)	(2,644		)	(3,645		)
Operating loss	$	(619	)	$	(1,379	)	$	(2,391	)
Net loss from continuing operations before non-controlling interests	$	(1,102	)	$	(1,744	)	$	(2,856	)
Net loss from discontinued operations before non-controlling interests	$	—		$	(168	)	$	(82	)