Quarterly report pursuant to Section 13 or 15(d)

Securities (Details 3)

 v2.3.0.11
Securities (Details 3) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Credit component recognized in earnings on debt securities for which a portion of the other than temporary impairment loss remains in OCI        
Balance, beginning balance $ 378 $ 1,084 $ 326 $ 706
Additions for the credit component on debt securities on which other-than temporary impairment losses were not previously recognized 14 47 47 271
Additions for the credit component on debt securities on which other-than-temporary impairment losses were previously recognized 31 79 86 456
Reductions for debt securities sold on which other-than-temporary impairment losses were previously recognized (5) (510) (41) (733)
Balance, June 30 $ 418 $ 700 $ 418 $ 700