Fourth Quarter Data (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Quarterly Financial Data [Abstract]
Revenues	$ 4,640	$ 4,134	$ 17,489	$ 15,618	$ 13,066
Cost of sales	3,827	3,543	14,854	13,182	11,126
Gross loss	813	591
Operating income	440	260	1,263	1,189	2,118
Net loss	266	39	590	609	1,822
Net income attributable to Aptiv	249	31	594	590	1,804
Net income attributable to ordinary shareholders	$ 233	$ 15	$ 531	$ 527	$ 1,769
Basic net income per share attributable to ordinary shareholders	$ 0.86	$ 0.06	$ 1.96	$ 1.95	$ 6.72
Weighted average ordinary shares outstanding, basic	270,950	270,520	270,900	270,460	263,430
Diluted	$ 0.86	$ 0.06	$ 1.96	$ 1.94	$ 6.66
Weighted average number of diluted shares outstanding	271,400	271,470	271,180	271,220	270,700
Costs associated with acquisitions	$ 53		$ 61	$ 0	$ 0
Loss on extinguishment of debt		$ (126)	$ 0	$ (126)	$ 0