Property and Equipment (Details) (USD $) In Millions, unless otherwise specified			12 Months Ended				3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Buildings and improvements [Member] years	Dec. 31, 2012 Machinery, equipment and other [Member] years	Dec. 31, 2012 Product tooling [Member] years	Dec. 31, 2011 Product tooling [Member]	Dec. 31, 2010 Successor [Member]	Dec. 31, 2012 Successor [Member]	Dec. 31, 2011 Successor [Member]	Dec. 31, 2010 Successor [Member] Product tooling [Member]	Dec. 31, 2012 Successor [Member] Product tooling [Member]	Dec. 31, 2011 Successor [Member] Product tooling [Member]	Oct. 01, 2010 Predecessor [Member]	Oct. 01, 2010 Predecessor [Member] Product tooling [Member]
Property, Plant and Equipment [Line Items]
Land	$ 161	$ 184
Buildings and improvements	269	311
Machinery, equipment and other	1,137	985
Construction in progress	100	106
Total property and equipment	1,667	1,586
Accumulated depreciation	(421)	(254)
Property and equipment, net, before product tooling	1,246	1,332
Property and equipment, net	1,326	1,412			80	80
Estimated useful life, average			40		6
Estimated useful life, minimum				3
Estimated useful life, maximum				15
Depreciation							55	209	254				191
Amortization										7	10	17		16
Depreciation and amortization							$ 62	$ 219	$ 271				$ 207