Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) (Details)

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Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Millions
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Beginning balance, Derivatives $ (3,236) $ (2,535)
Beginning balance, Employee Benefit Plans (3,947) (4,092)
Beginning balance, Foreign Currency (256) [1] (493) [1]
Beginning balance (66) (5,619)
Net change in fair value recorded in accumulated OCI, Derivatives (1,682) (1,765)
Net change in fair value recorded in accumulated OCI, Employee Benefit Plans 0 0
Net change in fair value recorded in accumulated OCI, Foreign Currency 20 [1] (20) [1]
Net change in fair value recorded in accumulated OCI, Total 466 6,433
Net realized (gains) losses reclassified into earnings, Derivatives 852 326
Net realized (gains) losses reclassified into earnings, Employee Benefit Plans 204 188
Net realized (gains) losses reclassified into earnings, Foreign Currency 5 [1] 258 [1]
Net realized (gains) losses reclassified into earnings, Total (2,471) (591)
Ending balance, Derivatives (4,066) (3,974)
Ending balance, Employee Benefit Plans (3,743) (3,904)
Ending balance, Foreign Currency (231) [1] (255) [1]
Ending balance (2,071) 336
Debt [Member]
   
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Beginning balance, Securities 714 (628)
Cumulative adjustment for accounting changes   113
Net change in fair value recorded in accumulated OCI, Securities 4,809 3,308
Net realized (gains) losses reclassified into earnings, Securities (1,238) (506)
Ending balance, Securities 4,285 2,287
Equity [Member]
   
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Beginning balance, Securities 6,659 2,129
Net change in fair value recorded in accumulated OCI, Securities (2,681) 4,910
Net realized (gains) losses reclassified into earnings, Securities (2,294) (857)
Ending balance, Securities $ 1,684 $ 6,182
[1] Net change in fair value represents only the impact of changes in spot foreign exchange rates on the Corporation’s net investment in non-U.S. operations and related hedges.