Revenue from Contracts with Customers Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Contract with Customer, Asset, after Allowance for Credit Loss	$ 10				$ 11				$ 10	$ 11
Contract with Customer, Refund Liability, Current	2				6				$ 2	6
Revenue, Performance Obligation, Description of Payment Terms									from 30 to 90 days
Contract with Customer, Liability, Noncurrent	49				51				$ 49	51
Net sales	$ 2,559	$ 2,492	$ 2,551	$ 2,566	2,574	$ 2,478	$ 2,694	$ 2,784	$ 10,168	10,530	$ 9,799
Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	7 years								7 years
Capitalized contract costs, amortization period									7 years
Minimum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	3 years								3 years
Capitalized contract costs, amortization period									3 years
Accounts payable and accrued expenses
Contract with Customer, Liability, Current	$ 10				13				$ 10	13
Other non-current liabilities
Contract with Customer, Liability, Noncurrent	12				17				12	17
Prepaid Expenses and Other Current Assets [Member]
Contract with Customer, Asset, after Allowance for Credit Loss	37				29				37	29
Other non-current assets
Contract with Customer, Asset, after Allowance for Credit Loss	$ 180				$ 187				180	187
Europe
Net sales									3,810	4,022	3,735
Other
Net sales									486	476	427
Consolidated Entities [Member]
Net sales									10,168	10,530	9,799
Consolidated Entities [Member] | Europe
Net sales									3,810	4,022	3,735
Consolidated Entities [Member] | North America [Member]
Net sales									3,375	3,372	3,200
Consolidated Entities [Member] | Asia [Member]
Net sales									2,833	2,983	2,731
Consolidated Entities [Member] | Other
Net sales									150	153	133
Drivetrain [Member]
Net sales									4,015	4,140	3,790
Drivetrain [Member] | Europe
Net sales									830	948	952
Drivetrain [Member] | North America [Member]
Net sales									1,791	1,799	1,691
Drivetrain [Member] | Asia [Member]
Net sales									1,365	1,362	1,116
Drivetrain [Member] | Other
Net sales									29	31	31
Engine [Member]
Net sales									6,214	6,447	6,062
Engine [Member] | Europe
Net sales									2,980	3,074	2,783
Engine [Member] | North America [Member]
Net sales									1,584	1,573	1,509
Engine [Member] | Asia [Member]
Net sales									1,468	1,621	1,615
Engine [Member] | Other
Net sales									121	122	102
Reportable Geographical Components [Member] | Drivetrain [Member]
Net sales									4,015	4,140	3,790
Reportable Geographical Components [Member] | Engine [Member]
Net sales									$ 6,153	$ 6,390	$ 6,009