Cash, Cash Equivalents, and Marketable Securities Available for Sale Securities (Details) - USD ($)	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds	$ 69,000,000	$ 0
Available-for-sale Securities, Gross Realized Gains	1,000,000	0
Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments	0	0
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	0	$ 0
Operating Segments [Member] \| Automotive
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	961,000,000		$ 70,000,000
Available-for-sale Securities, Amortized Cost Basis	961,000,000		82,000,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0		0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0		(12,000,000)
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	247,000,000		0
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	714,000,000		70,000,000
Operating Segments [Member] \| Automotive \| U.S. government
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	447,000,000		0
Available-for-sale Securities, Amortized Cost Basis	447,000,000		0
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0		0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0		0
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	0		0
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	447,000,000		0
Operating Segments [Member] \| Automotive \| U.S. government agencies
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	100,000,000		0
Available-for-sale Securities, Amortized Cost Basis	100,000,000		0
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0		0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0		0
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	0		0
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	100,000,000		0
Operating Segments [Member] \| Automotive \| Non-U.S. government and agencies
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	77,000,000		70,000,000
Available-for-sale Securities, Amortized Cost Basis	77,000,000		82,000,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0		0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0		(12,000,000)
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	0		0
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	77,000,000		70,000,000
Operating Segments [Member] \| Automotive \| Corporate debt
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities	337,000,000		0
Available-for-sale Securities, Amortized Cost Basis	337,000,000		0
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	0		0
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	0		0
Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value	247,000,000		0
Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value	$ 90,000,000		$ 0

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
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Fair value of available-for-sale debt securities maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Fair value of available-for-sale debt securities maturing in the second through fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities and excluding other than temporary impairments (OTTI), if any, recognized elsewhere.

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The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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