Consolidated Statement Of Redeemable Noncontrolling Interest and Shareholders' Equity - USD ($) $ in Millions	Total	Ordinary Shares	Preferred Shares	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Parent	Noncontrolling Interest	Redeemable Noncontrolling Interest
Balance of redeemable noncontrolling interest									$ 0
Balance at Dec. 31, 2021	$ 8,561	$ 3	$ 0	$ 3,939	$ 5,077	$ (672)	$ 8,347	$ 214
Balance, in shares at Dec. 31, 2021		271,000,000	12,000,000
Net income (loss) attributable to Aptiv	44				44		44
Other comprehensive income	(270)					(270)	(270)
Net income (loss) attributable to noncontrolling interest	(26)							(26)
Other comprehensive loss attributable to noncontrolling interest	3							3
Dividend payments of consolidated affiliates to minority shareholders	(8)							(8)
Mandatory convertible preferred share cumulative dividends	(32)				(32)		(32)
Taxes witheld on employees' restricted share award vestings	$ (36)			(36)			(36)
Repurchase of ordinary shares, in shares	0
Share based compensation	$ 46			46			46
Balance at Jun. 30, 2022	8,282	$ 3	$ 0	3,949	5,089	(942)	8,099	183
Balance, in shares at Jun. 30, 2022		271,000,000	12,000,000
Balance of redeemable noncontrolling interest									0
Balance at Mar. 31, 2022	8,600	$ 3	$ 0	3,908	5,150	(665)	8,396	204
Balance, in shares at Mar. 31, 2022		271,000,000	12,000,000
Net income (loss) attributable to Aptiv	(45)				(45)		(45)
Other comprehensive income	(277)					(277)	(277)
Net income (loss) attributable to noncontrolling interest	(27)							(27)
Other comprehensive loss attributable to noncontrolling interest	6							6
Mandatory convertible preferred share cumulative dividends	$ (16)				(16)		(16)
Repurchase of ordinary shares, in shares	0
Share based compensation	$ 41			41			41
Balance at Jun. 30, 2022	8,282	$ 3	$ 0	3,949	5,089	(942)	8,099	183
Balance, in shares at Jun. 30, 2022		271,000,000	12,000,000
Balance of redeemable noncontrolling interest									0
Balance of redeemable noncontrolling interest	96								96
Balance at Dec. 31, 2022	8,998	$ 3	$ 0	3,989	5,608	(791)	8,809	189
Balance, in shares at Dec. 31, 2022		271,000,000	12,000,000
Net income (loss) attributable to Aptiv	404				404		404
Other comprehensive income	123					126	126	(3)	2
Net income (loss) attributable to noncontrolling interest	7							7	(1)
Mandatory convertible preferred share cumulative dividends	(29)				(29)		(29)
Conversion of MCPS to ordinary shares		12,000,000
Taxes witheld on employees' restricted share award vestings	(31)			(31)			(31)
Conversion of MCPS to ordinary shares			(12,000,000)
Repurchases of ordinary shares	$ (98)			(8)	(90)		(98)
Repurchase of ordinary shares, in shares	(872,774)	(1,000,000)
Share based compensation	$ 51			51			51
Share-based compensation, in shares		1,000,000
Balance at Jun. 30, 2023	9,425	$ 3	$ 0	4,001	5,893	(665)	9,232	193
Balance, in shares at Jun. 30, 2023		283,000,000	0
Balance of redeemable noncontrolling interest									97
Balance at Mar. 31, 2023	9,175	$ 3	$ 0	3,972	5,690	(682)	8,983	192
Balance, in shares at Mar. 31, 2023		271,000,000	12,000,000
Net income (loss) attributable to Aptiv	242				242		242
Other comprehensive income	14					17	17	(3)
Net income (loss) attributable to noncontrolling interest	4							4
Mandatory convertible preferred share cumulative dividends	(13)				(13)		(13)
Conversion of MCPS to ordinary shares		12,000,000
Taxes witheld on employees' restricted share award vestings	(1)			(1)			(1)
Conversion of MCPS to ordinary shares			(12,000,000)
Repurchases of ordinary shares	$ (28)			(2)	(26)		(28)
Repurchase of ordinary shares, in shares	(269,003)	(1,000,000)
Share based compensation	$ 32			32			32
Share-based compensation, in shares		1,000,000
Balance at Jun. 30, 2023	9,425	$ 3	$ 0	$ 4,001	$ 5,893	$ (665)	$ 9,232	$ 193
Balance, in shares at Jun. 30, 2023		283,000,000	0
Balance of redeemable noncontrolling interest	$ 97								$ 97