Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

Basic and Diluted Weighted Average Common Shares Outstanding [Table Text Block]

The table below presents the computations of basic and diluted weighted average common shares outstanding.

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2012		2011		2012		2011
	(Shares in millions)
Weighted average common shares outstanding—basic		5,762		5,760		5,762		5,730
Convertible preferred stock		—		—		131		—
Weighted average common shares outstanding—diluted		5,762		5,760		5,893		5,730