v2.4.0.8
Securities Available for Sale, Realized Gains and Losses (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]        
Gross realized gains $ 54 $ 136 $ 210 $ 417
Gross realized losses (8) (32) (13) (36)
OTTI Write-downs (76) (82) (114) (133)
Net realized gains from securities available for sale (30) 22 83 248
Net realized gains from private equity investments 179 159 224 290
Net realized gains from debt securities and equity investments $ 149 $ 181 $ 307 $ 538