Accrued Expenses and Other Liabilities (Schedule of Accrued Expenses and Other Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts Payable and Accrued Liabilities [Abstract]
Accrued Employee Benefits	$ 298	$ 437
Accounts Payable	298	414
Derivative Liability, Fair Value, Gross Liability	252	317
Liability for Claims and Claims Adjustment Expense	208	275
Deferred Revenue	151	122
Cash collateral received from counterparties	71	159
Other Accrued Liabilities	457	673
Accrued expenses and other liabilities	1,735	2,397
ResCap settlement accrual for insurance proceeds		$ 150