Debt And Commitments - Debt Outstanding (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Outstanding [Abstract]
Total Debt	$ 119,171us-gaap_DebtAndCapitalLeaseObligations	$ 114,688us-gaap_DebtAndCapitalLeaseObligations
Automotive [Member]
Debt Outstanding [Abstract]
Short-term Debt	2,501	1,257
Debt payable after one year	11,323	14,426
Total Debt	13,824	15,683
Fair value of debt	15,553	17,301
Debt Instruments [Abstract]
Short-term debt carried at cost which approximates fair value	131	377
Interest accrued on debt	180	195
Interest Paid, Net	774	746	693
Automotive [Member] \| Public Unsecured Debt Securities [Member]
Debt Outstanding [Abstract]
Debt Instrument, Face Amount, Non-Current	6,634	6,799
Debt, principal amount	6,795	6,799
Unamortized (discount)/premium	(144)	(148)
Automotive [Member] \| Convertible Debt [Member]
Debt Outstanding [Abstract]
Debt, principal amount	0	908
Unamortized (discount)/premium	0	(110)
Automotive [Member] \| Other debt [Member]
Debt Outstanding [Abstract]
Debt payable within one year	350	104
Debt payable after one year	1,000	1,258
Automotive [Member] \| Short-term Debt [Member]
Debt Outstanding [Abstract]
Average contractual (interest rate)	1.90%	1.50%
Average effective (interest rate)	1.90%	1.50%
Automotive [Member] \| Long-term Debt [Member]
Debt Outstanding [Abstract]
Average contractual (interest rate)	4.60%	4.40%
Average effective (interest rate)	4.60%	4.70%
Automotive [Member] \| Non-Affiliates [Member]
Debt Outstanding [Abstract]
Short-term Debt	373	562
Financial Services [Member]
Debt Outstanding [Abstract]
Short-term Debt	11,138	14,994
Unamortized (discount)/premium	(55)	(91)
Fair value adjustments	428	103
Long Term Debt And Capital Lease Obligations Current And Non Current	94,209	84,011
Total Debt	105,347	99,005
Fair value of debt	107,758	102,399
Debt Instruments [Abstract]
Short-term debt carried at cost which approximates fair value	9,800	9,700
Interest accrued on debt	602	633
Interest Paid, Net	2,700	2,800	3,000
Financial Services [Member] \| Unsecured short-term debt [Member]
Debt Outstanding [Abstract]
Short-term Debt	9,761	9,667
Financial Services [Member] \| Asset-backed Securities [Member]
Debt Outstanding [Abstract]
Short-term Debt	1,377	5,327
Debt payable within one year	16,738	17,337
Debt payable after one year	25,216	23,273
Financial Services [Member] \| Short-term Debt [Member]
Debt Outstanding [Abstract]
Average contractual (interest rate)	1.90%	1.50%
Average effective (interest rate)	1.90%	1.50%
Financial Services [Member] \| Unsecured Debt [Member]
Debt Outstanding [Abstract]
Debt payable within one year	8,795	4,475
Debt payable after one year	43,087	38,914
Financial Services [Member] \| Long-term Debt [Member]
Debt Outstanding [Abstract]
Average contractual (interest rate)	2.80%	3.10%
Average effective (interest rate)	2.90%	3.30%
DOE ATVM Incentive Program \| Automotive [Member]
Debt Outstanding [Abstract]
Debt payable within one year	591	591
Debt payable after one year	3,833	4,424
EIB Credit Facility [Member] \| Automotive [Member]
Debt Outstanding [Abstract]
Debt payable within one year	1,187	0
Debt payable after one year	$ 0	$ 1,295

Fair value adjustment as of the balance sheet date related to designated fair value hedges of unsecured debt.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance, excluding current.

+ References

No definition available.

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- Definition

The weighted average of contractual interest rates stated in the contractual debt agreements.

+ References

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- Definition

Long Term Debt And Capital Lease Obligations Current And Non-current

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Amount of short-term debt carried at cost that approximates fair value.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

Weighted average interest rate of debt outstanding.

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No definition available.

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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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