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Derivative Financial Instruments (Tables) | 3 Months Ended
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Mar. 31, 2019
Derivative [Line Items] |
Schedule of Cumulative Basis Adjustments for Fair Value Hedges | The following amounts were recorded in the condensed consolidated balance sheets related to items designated and qualifying as hedged items in fair value hedging relationships:
| March 31, 2019 |  | December 31, 2018
| Carrying Amount of Hedged Items |  | Cumulative Amount of Fair Value Hedging Adjustments(a) |  | Carrying Amount of Hedged Items |  | Cumulative Amount of Fair Value Hedging Adjustments(a)
GM Financial long-term debt | $ | 20,200 |  |  | $ | 281 |  |  | $ | 17,923 |  |  | $ | 459 |
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(a) | Includes $228 million and $247 million of adjustments remaining on hedged items for which hedge accounting has been discontinued at March 31, 2019 and December 31, 2018.
Automotive [Member] |
Derivative [Line Items] |
Schedule of Notional Amounts for Derivative Financial Instruments | The following table presents the notional amounts of derivative financial instruments in our automotive operations:
| Fair Value Level |  | March 31, 2019 |  | December 31, 2018
Derivatives not designated as hedges(a) |  |  |  |  |
Foreign currency | 2 |  | $ | 3,500 |  |  | $ | 2,710 |
Commodity | 2 |  | 838 |  |  | 658 |
PSA warrants(b) | 2 |  | 45 |  |  | 45 |
Total derivative financial instruments |  |  | $ | 4,383 |  |  | $ | 3,413 |
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(a) | The fair value of these derivative instruments at March 31, 2019 and December 31, 2018 and the gains/losses included in our condensed consolidated income statements for the three months ended March 31, 2019 and 2018 were insignificant, unless otherwise noted.
(b) | The fair value of the PSA warrants located in Other assets was $950 million and $827 million at March 31, 2019 and December 31, 2018. We recorded gains in Interest income and other non-operating income, net of $139 million and $127 million in the three months ended March 31, 2019 and 2018.
GM Financial [Member] |
Derivative [Line Items] |
Schedule of Notional Amounts for Derivative Financial Instruments | The following table presents the notional amounts of GM Financial's derivative financial instruments:
| Fair Value Level |  | March 31, 2019 |  | December 31, 2018
Derivatives designated as hedges(a) |  |  |  |  |
Fair value hedges – interest rate swaps(b) | 2 |  | $ | 13,039 |  |  | $ | 9,533 |
Fair value hedges – foreign currency swaps(b) | 2 |  | 1,797 |  |  | 1,829 |
Cash flow hedges |  |  |  |  |
Interest rate swaps | 2 |  | 599 |  |  | 768 |
Foreign currency swaps | 2 |  | 3,298 |  |  | 2,075 |
Derivatives not designated as hedges(a) |  |  |  |  |
Interest rate contracts(c) | 2 |  | 96,296 |  |  | 99,666 |
Total derivative financial instruments(d) |  |  | $ | 115,029 |  |  | $ | 113,871 |
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(a) | The fair value of these derivative instruments at March 31, 2019 and December 31, 2018 and the gains/losses included in our condensed consolidated income statements and statements of comprehensive income for the three months ended March 31, 2019 and 2018 were insignificant, unless otherwise noted. Amounts accrued for interest payments in a net receivable position are included in Other assets. Amounts accrued for interest payments in a net payable position are included in Other liabilities.
(b) | The fair value of these derivative instruments located in Other liabilities was insignificant and $291 million at March 31, 2019 and December 31, 2018.
(c) | The fair value of these derivative instruments located in Other assets was $233 million and $372 million at March 31, 2019 and December 31, 2018. The fair value of these derivative instruments located in Other liabilities was $428 million and $520 million at March 31, 2019 and December 31, 2018.
(d) | We held insignificant amounts and posted $284 million and $451 million of collateral available for netting at March 31, 2019 and December 31, 2018.

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- Definition Tabular disclosure for fair value hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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