Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 90	$ 56	$ 195	$ 167
Other comprehensive income (loss):
Currency translation adjustments	(85)	55	(54)	84
Net change in unrecognized gain on derivative instruments, net of tax	3	0	2	0
Employee benefit plans adjustment, net of tax	24	3	16	7
Other comprehensive income	(58)	58	(36)	91
Comprehensive income	32	114	159	258
Comprehensive income attributable to noncontrolling interests	0	9	9	18
Comprehensive income attributable to Delphi Technologies	$ 32	$ 105	$ 150	$ 240