Balance Sheet Offsetting (Details) (Foreign Exchange Contract [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Foreign Exchange Contract [Member]
Assets
Gross Amounts Recognized	$ 255	$ 153
Gross Amount Offset in the Condensed Consolidated Balance Sheet	0	0
Net Amounts Presented in the Condensed Consolidated Balance Sheet	255	153
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet, Financial Instruments	(63)	(52)
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet, Cash Collateral Received/Pledged	(136)	(79)
Net Amount	56	22
Liabilities
Gross Amounts Recognized	126	116
Gross Amount Offset in the Condensed Consolidated Balance Sheet	0	0
Net Amounts Presented in the Condensed Consolidated Balance Sheet	126	116
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet, Financial Instruments	(63)	(52)
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet, Cash Collateral Received/Pledged	(31)	(47)
Net Amount	$ 32	$ 17

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Derivative liabilities qualified for offset but not offset on balance sheet

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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