Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 609	$ 1,822	$ 1,009
Other comprehensive (loss) income:
Currency translation adjustments	(143)	154	(45)
Net change in unrecognized (loss) gain on derivative instruments, net of tax (Note 17)	(57)	27	56
Employee benefit plans adjustment, net of tax (Note 12)	73	(5)	(30)
Other comprehensive (loss) income	(127)	176	(19)
Comprehensive income	482	1,998	990
Comprehensive income attributable to noncontrolling interests	19	20	16
Comprehensive income attributable to Aptiv	$ 463	$ 1,978	$ 974