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Investments in Affiliates Narrative (Details) € in Millions, $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Mar. 15, 2022 USD ($) | Mar. 15, 2022 EUR (€) | Sep. 30, 2022 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | $ 1,772 | $ 1,772 |  | $ 1,797
TTTech Auto AG |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 20.00% | 20.00% |  |  |  |
Equity Method Investments |  |  | 188 | 188 |  |
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity |  |  | $ 138 | $ 138 |  |
Motional, Inc. |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 50.00% | 50.00% |  |
Autonomous Driving Joint Venture [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Operating Lease, Weighted Average Remaining Lease Term |  |  | 6 years | 6 years |  |
Lease Income |  |  | $ 1 | $ 3 | $ 2 |
Euro Member Countries, Euro | TTTech Auto AG |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Payments to Acquire Equity Method Investments | € |  | € 200 |  |  |  |
United States of America, Dollars | TTTech Auto AG |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Payments to Acquire Equity Method Investments | $ 220 |  |  |  |  |

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- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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