Assets Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Value added tax receivable	$ 160	$ 144
Prepaid insurance and other expenses	104	62
Reimbursable engineering costs	33	47
Notes receivable	16	7
Income and other taxes receivable	46	25
Deposits to vendors	8	5
Derivative financial instruments (Note 17)	30	11
Accounts receivable to be remitted to Delphi Technologies (Note 25)	123	0
Other	1	1
Total	$ 521	$ 302