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Equity Method Investment - Narrative (Details) kr in Millions			3 Months Ended						9 Months Ended
	Jul. 01, 2020 USD ($) business_unit software_engineer	Jul. 01, 2020 SEK (kr) business_unit software_engineer	Sep. 30, 2021 USD ($) investment	Mar. 31, 2021 USD ($)	Mar. 31, 2021 SEK (kr)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 SEK (kr)	Sep. 30, 2021 USD ($) investment	Sep. 30, 2020 USD ($)	Jun. 30, 2021	Dec. 31, 2020 USD ($)	Apr. 02, 2020	Jun. 30, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of equity method investments \| investment			2						2
Equity method investment			$ 22,000,000						$ 22,000,000			$ 153,000,000
Gain (loss) from equity method investment			3,000,000			$ (1,000,000)			12,000,000	$ (39,000,000)
Zenuity and AutoTechFund
Schedule of Equity Method Investments [Line Items]
Equity method investment			22,000,000						22,000,000			153,000,000
Zenuity
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture	50.00%	50.00%		50.00%	50.00%		50.00%	50.00%					50.00%
Cash contribution to joint venture							$ 16,000,000	kr 150
Proceeds from dividends received				$ 13,000,000	kr 108
Gain (loss) from equity method investment			3,000,000			$ 1,000,000			(12,000,000)	$ 39,000,000
Zenuity \| Zenuity, Inc
Schedule of Equity Method Investments [Line Items]
Cash contribution to joint venture	$ 37,000,000
Number of software engineers \| software_engineer	200	200
Number of business units \| business_unit	2	2
Equity method investment			0						0
Zenuity \| Zenuity, Inc \| Intellectual Property
Schedule of Equity Method Investments [Line Items]
Intellectual property acquired, consideration	$ 114,000,000	kr 1,067		$ 127,000,000
AutoTechFund I, L.P
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture											20.00%
Equity method investment			$ 14,000,000						14,000,000			$ 12,000,000		$ 15,000,000
Proceeds from equity method investment, distribution									$ 3,000,000