v3.3.0.814

Short-Term and Long-Term Debt ST and LT Debt Other Disclosures (Details) - GM Financial [Member] € in Millions, CAD in Millions, $ in Millions	1 Months Ended						9 Months Ended
	Oct. 31, 2015 USD ($)	Jul. 31, 2015 USD ($)	May. 31, 2015 CAD	Apr. 30, 2015 USD ($)	Feb. 28, 2015 EUR (€)	Jan. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)
Secured Debt [Member] | Securitization notes payable [Member]
Debt Instrument [Line Items]
Securitization Notes Payable Issued							$ 9,400
Secured Debt [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line Of Credit Increase Maximum Borrowing Capacity							4,500
Unsecured Debt [Member] | Senior Notes Issued January 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 2,250
Unsecured Debt [Member] | Senior Notes January 2020 at 3.15% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 1,000
Debt Instrument, Interest Rate, Stated Percentage						3.15%
Debt Instrument, Maturity Date						Jan. 31, 2020
Unsecured Debt [Member] | Senior Notes January 2025 at 4.0% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 1,000
Debt Instrument, Interest Rate, Stated Percentage						4.00%
Debt Instrument, Maturity Date						Jan. 31, 2025
Unsecured Debt [Member] | Senior Notes January 2020 at Floating Rates [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 250
Debt Instrument, Maturity Date						Jan. 31, 2020
Unsecured Debt [Member] | Term Notes February 2018 at 0.85% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount | €					€ 650
Debt Instrument, Interest Rate, Stated Percentage					0.85%
Debt Instrument, Maturity Date					Feb. 28, 2018
Unsecured Debt [Member] | Senior Notes Issued April 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 2,400
Unsecured Debt [Member] | Senior Notes April 2018 at 2.4% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 850
Debt Instrument, Interest Rate, Stated Percentage				2.40%
Debt Instrument, Maturity Date				Apr. 30, 2018
Unsecured Debt [Member] | Senior Notes April 2022 at 3.45% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 1,250
Debt Instrument, Interest Rate, Stated Percentage				3.45%
Debt Instrument, Maturity Date				Apr. 30, 2022
Unsecured Debt [Member] | Senior Notes April 2018 at Floating Rates [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 300
Debt Instrument, Maturity Date				Apr. 30, 2018
Unsecured Debt [Member] | Senior Notes May 2020 at 3.08% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount | CAD			CAD 500
Debt Instrument, Interest Rate, Stated Percentage			3.08%
Debt Instrument, Maturity Date			May 31, 2020
Unsecured Debt [Member] | Senior Notes Issued July 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 2,300
Unsecured Debt [Member] | Senior Notes July 2020 at 3.2% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 1,500
Debt Instrument, Interest Rate, Stated Percentage		3.20%
Debt Instrument, Maturity Date		Jul. 31, 2020
Unsecured Debt [Member] | Senior Notes July 2025 at 4.3% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 800
Debt Instrument, Interest Rate, Stated Percentage		4.30%
Debt Instrument, Maturity Date		Jul. 31, 2025
Subsequent Event [Member] | Unsecured Debt [Member] | Senior Notes Issued October 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,750
Subsequent Event [Member] | Unsecured Debt [Member] | Senior Notes January 2019 at 3.1% [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,500
Debt Instrument, Interest Rate, Stated Percentage	3.10%
Debt Instrument, Maturity Date	Jan. 15, 2019
Subsequent Event [Member] | Unsecured Debt [Member] | Senior Notes January 2019 at Floating Rates [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 250
Debt Instrument, Maturity Date	Jan. 15, 2019
GERMANY | Unsecured Debt [Member]
Debt Instrument [Line Items]
Deposits							$ 611
Overnight Deposits, Percentage of Total Deposits							39.00%

X

- Definition

New debt issued during the period.

+ References

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+ References

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- Definition

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+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 55



-Paragraph 8



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



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+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 210



-Section S99



-Paragraph 1



-Subparagraph (SX 210.9-03.12)



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