Accrued Expenses And Other Payables (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Accrued Liabilities and Other Liabilities [Abstract]
Derivative Liability	$ 774	$ 605
Reinsurance Payable	483	425
Liability for Claims and Claims Adjustment Expense	408	459
Deferred Credits and Other Liabilities	873	1,152
Accrued expenses and other payables	1,313	1,472
Total accrued expenses and other payables	$ 3,851	$ 4,113