Interest and dividends on SAFS (parenthetical) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Dividends On Certain Equity Securities	$ 0	$ 15	[1]

[1] Includes dividends on Coke common stock of of $15 million during the three months ended March 31, 2012.