Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Millions	3 Months Ended	6 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2011 Successor [Member]	Sep. 30, 2011 Successor [Member]	Mar. 31, 2011 Predecessor [Member]	Sep. 30, 2010 Predecessor [Member]	Sep. 30, 2010 Predecessor [Member]
NET INCOME (LOSS)	$ 32	$ 19	$ 211	$ (90)	$ 106
OTHER COMPREHENSIVE INCOME:
Defined benefit pension and post-retirement plans, net of $-, $-, $4, $4 and $15 tax			7	6	17
Other, net of $-, $-, $-, $- and $(2) tax					(3)
Other comprehensive income			7	6	14
COMPREHENSIVE INCOME (LOSS)	$ 32	$ 19	$ 218	$ (84)	$ 120