Goodwill, Customer Relationships And Other Intangible Assets (Schedule Of Goodwill And Other Intangible Assets) (Details) (USD $) In Millions	Sep. 30, 2011 Successor [Member] Capitalized Software [Member]	Dec. 31, 2010 Predecessor [Member] Capitalized Software [Member]	Sep. 30, 2011 Successor [Member] Customer Relationships [Member]	Dec. 31, 2010 Predecessor [Member] Customer Relationships [Member]	Sep. 30, 2011 Successor [Member] Tradename And Patent [Member]	Dec. 31, 2010 Predecessor [Member] Tradename And Patent [Member]	Sep. 30, 2011 Successor [Member]	Dec. 31, 2010 Predecessor [Member]
Goodwill							$ 10,135
Other intangible assets
Customer relationships, net							7,108
Accumulated amortization	236	1,741	517	2	42	5
Other intangible assets, net	$ 1,541	$ 888			$ 145	$ 50	$ 1,686	$ 938