Gross Realized Gains and Losses on Sales and OTTI on Securities Available for Sale (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Gross realized gains	$ 1,981	[1]	$ 210		$ 210
Gross realized losses	0		(87)		(17)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	(7)		(6)		(2)
Gain (Loss) on Sale of Securities, Net	$ 1,974	[2]	$ 117	[2]	$ 191	[2],[3]

[1] Included in these amounts are $305 million in losses recognized during 2012 related to the accelerated termination of the Agreements that hedge the Coke common stock.

[2] Includes credit-related OTTI losses of $7 million, $6 million and $2 million, including $6 million, $4 million, and $0 of unrealized losses reclassified from OCI, before taxes, for the years ended December 31, 2012, 2011, and 2010, respectively.

[3] Includes dividends on the Coke common stock of $31 million, $56 million, and $53 million, for the years ended December 31, 2012, 2011, and 2010, respectively.