Consolidated Statement of Income (Unaudited) (Parenthetical) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Noninterest income
Other-than-temporary impairment losses on debt securities available for sale in earnings	$ 189	$ 106	$ 269	$ 198
Total other-than-temporary impairment losses on debt securities available for sale recognized in earnings and other comprehensive income	129	49	53	203
Total recorded directly to OCI for non-credit-related impairment	(60)	(57)	(216)	5
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Equity Securities and Nonmarketable Equity Securities	$ 16	$ 62	$ 57	$ 167