CONDENSED CONSOLIDATED BALANCE SHEET (PARENTHETICALS) (Successor [Member], USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Allowance for doubtful accounts	$ 13	$ 16
Accumulated depreciation, property, plant and equipment	$ 2,682	$ 2,364
Preferred Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred Stock, shares authorized (in shares)	250,000,000	250,000,000
Preferred Stock, shares issued (in shares)	0	0
Preferred Stock, shares outstanding (in shares)	0	0
Treasury Stock, shares (in shares)	5,358	0
Class A Common Stock [Member]
Common Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, shares authorized (in shares)	900,000,000	900,000,000
Common Stock, shares issued (in shares)	100,564,176	100,570,418
Class B Common Stock [Member]
Common Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, shares authorized (in shares)	25,000,000	25,000,000
Common Stock, shares issued (in shares)	0	0
Common Stock, shares outstanding (in shares)	0	0