Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 21
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Details

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- Details

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- Details

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- Details

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Credit Risk (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Credit Risk (Details) - USD ($) $ in Millions	Mar. 31, 2019	Jun. 30, 2020	Dec. 31, 2019	Dec. 31, 2018
Concentration Risk [Line Items]
Debt Instrument, Fair Value Disclosure		$ 759	$ 390
Ford And Affiliates [Member] \| Accounts Receivable [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Entity-wide revenue, major customer, percentage	22.00%	19.00%
Nissan\Renault [Member] \| Accounts Receivable [Member] \| Credit Concentration Risk [Member]
Concentration Risk [Line Items]
Entity-wide revenue, major customer, percentage	13.00%	14.00%
Fair Value Measured at Net Asset Value Per Share [Member]
Concentration Risk [Line Items]
Investments, Fair Value Disclosure			$ 3	$ 15