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Other Expenses (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Other Expenses      
Compensation $ 5,562 $ 5,287 $ 3,575
Pension, postretirement and postemployment benefit costs 428 463 380
Commissions 5,909 6,378 3,607
Volume-related costs 599 335 379
Interest credited to bank deposits 78 95 137
Capitalization of DAC (5,289) (5,558) (2,770)
Amortization of DAC and VOBA 4,199 4,898 2,477
Amortization of negative VOBA (622) (697) (64)
Interest expense on debt and debt issuance costs 1,356 1,629 1,550
Premium taxes, licenses and fees 677 633 513
Professional services 1,664 1,597 1,103
Rent, net of sublease income 422 426 305
Other 2,772 3,051 1,735
Total other expenses $ 17,755 $ 18,537 $ 12,927