Investments (Tables)

9 Months Ended

Sep. 30, 2013

Investments [Abstract]

Schedule of investments in marketable equity securities and other

The components of investments were as follows:

	Successor				Predecessor
	September 30, 2013		December 31, 2012		December 31, 2012
	(in millions)
Marketable equity securities	$	45	$	—	$	45
Equity method and other investments	92		—		1,008
Bond investment	—		2,929		—
Bond derivative	—		175		—
	$	137	$	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,			July 1, -  July 9,			Nine Months Ended			Three Months Ended
							September 30,
	2013			2013			2012			2012
	(in millions)
Revenues	$	666		$	31		$	954		$	314
Operating expenses	(1,285		)	(62		)	(2,020		)	(647		)
Operating loss	$	(619	)	$	(31	)	$	(1,066	)	$	(333	)
Net loss from continuing operations before non-controlling interests	$	(909	)	$	(31	)	$	(1,312	)	$	(320	)
Net loss from discontinued operations before non-controlling interests	$	—		$	—		$	(179	)	$	(173	)