Preferred Stock (Tables)

9 Months Ended

Sep. 30, 2011

Preferred Stock [Abstract]

Carrying amount of each outstanding series of Company's preferred stock

	September 30, 2011								December 31, 2010
	Shares								Shares
	Issued and		Liquidation				Carrying		Issued and		Liquidation				Carrying
(Dollars in Millions)	Outstanding		Preference		Discount		Amount		Outstanding		Preference		Discount		Amount
Series A		12,510	$	1,251	$	145	$	1,106		5,746	$	575	$	145	$	430
Series B		40,000		1,000		–		1,000		40,000		1,000		–		1,000
Series D		20,000		500		–		500		20,000		500		–		500
Total preferred stock (a)		72,510	$	2,751	$	145	$	2,606		65,746	$	2,075	$	145	$	1,930

(a) The par value of all shares issued and outstanding at September 30, 2011 and December 31, 2010, was $1.00 a share.