CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010 Predecessor
Accounts receivable, allowance (in dollars)	$ 62	$ 83
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized	0	200,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	1	5,000,000
Common stock, shares issued	1	1,792,145
Treasury stock, shares	0	27,841
Treasury stock, shares held in rabbi trust	0	22