v2.4.0.6
Consolidated Statement of Income (Parenthetical) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Noninterest income      
Total OTTI recorded as part of gross realized losses $ 256 $ 541 $ 692
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Equity Securities and Nonmarketable Equity Securities 176 288 268
Debt Securities [Member]
     
Noninterest income      
Total OTTI losses recorded on debt securities 3 349 500
Total OTTI recorded as part of gross realized losses 240 423 672
Total recorded directly to OCI for non-credit-related impairment $ (237) $ (74) $ (172)