CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 33	$ 380	$ 319
Other comprehensive income (loss):
Currency translation adjustments	(10)	(83)	72
Net change in unrecognized gain (loss) on derivative instruments, net of tax	22	(2)	0
Employee benefit plans adjustment, net of tax	24	41	6
Other comprehensive income (loss), net of tax	36	(44)	78
Comprehensive income	69	336	397
Comprehensive income attributable to noncontrolling interests	16	19	38
Comprehensive income attributable to Delphi Technologies	$ 53	$ 317	$ 359