v2.4.0.6
Other Comprehensive Income, Cumulative OCI Balances (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cumulative OCI balances [Abstract]    
Cumulative other comprehensive income, Translation adjustments, beginning balance $ 90  
Translation adjustments, net change 6 15
Cumulative other comprehensive income, Translation adjustments, ending balance 96  
Cumulative other comprehensive income, Securities available for sale, beginning balance 4,413  
Securities available for sale, Net change 1,024 348
Less: Other comprehensive income from noncontrolling interests 4  
Cumulative other comprehensive income, Securities available for sale, ending balance 5,433  
Cumulative other comprehensive income, Derivatives and hedging activities, beginning balance 490  
Derivatives and hedging activities, Net change (37) (99)
Cumulative other comprehensive income, Derivatives and hedging activities, ending balance 453  
Cumulative other comprehensive income, Defined benefit pension plans, beginning balance (1,786)  
Cumulative other comprehensive income, Defined benefit pension plans, Net change 20 15
Cumulative other comprehensive income, Defined benefit pension plans, ending balance (1,766)  
Cumulative Other Comprehensive Income (Loss), Net of Tax, Beginning Balance 3,207  
Cumulative other comprehensive income, Net change 1,013 279
Less: Other comprehensive income attributable to noncontrolling interests 4 (4)
Cumulative Other Comprehensive Income (Loss), Net of Tax, Ending Balance 4,216  
Cumulative other comprehensive income [Member]
   
Cumulative OCI balances [Abstract]    
Cumulative Other Comprehensive Income (Loss), Net of Tax, Beginning Balance 3,207  
Cumulative other comprehensive income, Net change 1,013  
Less: Other comprehensive income attributable to noncontrolling interests 4  
Cumulative Other Comprehensive Income (Loss), Net of Tax, Ending Balance $ 4,216