Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 246	$ (72)	$ 410	$ 18
Other comprehensive income (loss):
Currency translation adjustments	(39)	(177)	(22)	(212)
Net change in unrecognized gain (loss) on derivative instruments, net of tax (Note 14)	54	(99)	148	(62)
Employee benefit plans adjustment, net of tax	(1)	5	(1)	7
Other comprehensive income (loss)	14	(271)	125	(267)
Comprehensive income (loss)	260	(343)	535	(249)
Comprehensive income (loss) attributable to noncontrolling interests	1	(21)	4	(23)
Comprehensive income attributable to redeemable noncontrolling interest	0	0	1	0
Comprehensive income (loss) attributable to Aptiv	$ 259	$ (322)	$ 530	$ (226)