Goodwill and Other Intangibles - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Changes in the carrying amount of goodwill
Net goodwill balance, January 1	$ 1,853
Ending balance, December 31	$ 1,842		$ 1,853
Goodwill impairment test, weighted average cost of capital discount rate for future cash flow	10.70%
Sensitivity analysis Increase in discount rate	1.00%
Sensitivity analysis decrease in operating margin assumption	1.00%
Sensitivity analysis decrease in revenue growth rate	1.00%
Engine [Member]
Changes in the carrying amount of goodwill
Gross goodwill balance, January 1	$ 1,343		1,360
Accumulated impairment losses, January 1			(502)	$ (502)
Net goodwill balance, January 1	841		858
Acquisitions	0		0
Translation adjustment and other	(6)		(17)
Ending balance, December 31	835		841
Drivetrain [Member]
Changes in the carrying amount of goodwill
Gross goodwill balance, January 1	1,012		1,024
Net goodwill balance, January 1	1,012		1,024
Acquisitions	7	[1]	2
Translation adjustment and other	(12)		(14)
Ending balance, December 31	$ 1,007		$ 1,012

[1] * Acquisitions relate to the Company's 2019 purchase of Rinehart Motion Systems LLC and AM Racing LLC and the 2017 purchase of Sevcon.