CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
	Mar. 31, 2012 Successor	Mar. 31, 2013 Successor	Mar. 25, 2012 Predecessor
Statement of Income and Comprehensive Income
Net income (loss)	$ (19)	$ 42	$ 40
Other comprehensive income (loss), net of tax:
Reclassification of unrealized loss on interest rate hedges into earnings	0	0	3
Total other comprehensive income, net of tax	0	0	3
Comprehensive income (loss)	$ (19)	$ 42	$ 43