Balance Sheet Effect of Derivative Financial Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Automotive [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	$ 25,781	$ 28,325
Fair Value of Assets	754	517
Fair Value of Liabilities	651	713
Counterparty netting - Derivative Asset, Fair Value, Amount Not Offset Against Collateral	(514)	(463)
Counterparty netting - Derivative Liability, Fair Value, Amount Not Offset Against Collateral	(514)	(463)
Derivative Asset	240	54
Derivative Liability	137	250
Automotive [Member] \| Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Cash Flow Hedging [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	10,232	15,434
Fair Value of Assets	510	359
Fair Value of Liabilities	422	517
Automotive [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	15,059	12,198
Fair Value of Assets	243	157
Fair Value of Liabilities	205	129
Automotive [Member] \| Not Designated as Hedging Instrument [Member] \| Commodity Contract [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	490	693
Fair Value of Assets	1	1
Fair Value of Liabilities	24	67
Financial Services [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	86,300	83,713
Fair Value of Assets	1,168	859
Fair Value of Liabilities	280	167
Counterparty netting - Derivative Asset, Fair Value, Amount Not Offset Against Collateral	(189)	(136)
Counterparty netting - Derivative Liability, Fair Value, Amount Not Offset Against Collateral	(189)	(136)
Derivative Asset	979	723
Derivative Liability	91	31
Financial Services [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member] \| Fair Value Hedging [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	26,323	23,203
Fair Value of Assets	848	602
Fair Value of Liabilities	4	38
Financial Services [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	1,189	1,527
Fair Value of Assets	7	18
Fair Value of Liabilities	1	1
Financial Services [Member] \| Not Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	56,173	56,558
Fair Value of Assets	216	168
Fair Value of Liabilities	174	89
Financial Services [Member] \| Not Designated as Hedging Instrument [Member] \| Cross-currency interest rate swap contracts [Member]
Balance Sheet Effect of Derivative Instruments [Abstract]
Notional	2,615	2,425
Fair Value of Assets	97	71
Fair Value of Liabilities	$ 101	$ 39

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Publisher SEC

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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