CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	9 Months Ended	3 Months Ended
	Sep. 30, 2013 Successor	Sep. 30, 2012 Successor	Sep. 30, 2012 Successor	Sep. 30, 2013 Successor	Mar. 25, 2012 Predecessor
Statement of Income and Comprehensive Income
Net income	$ 37	$ 36	$ 47	$ 148	$ 40
Other comprehensive income (loss), net of tax:
Reclassification of unrealized loss on interest rate hedges into earnings	0	0	0	0	3
Total other comprehensive income, net of tax	0	0	0	0	3
Comprehensive income	$ 37	$ 36	$ 47	$ 148	$ 43