Consolidated Statement Of Redeemable Noncontrolling Interest and Shareholders' Equity - USD ($) $ in Millions	Total	Preferred Shares	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 attributable to Aptiv	89					89		89
Other comprehensive income	7						7	7
Net income attributable to noncontrolling interest	1								1
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	16	$ 16				(16)		(16)
Taxes witheld on employees' restricted share award vestings	(36)				(36)			(36)
Share based compensation	5				5			5
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
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
Mandatory convertible preferred share cumulative dividends		63
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
Balance of redeemable noncontrolling interest										0
Balance of redeemable noncontrolling interest	96									96
Net income attributable to Aptiv	162					162		162
Other comprehensive income	109						109	109		2
Net income attributable to noncontrolling interest	3								3	(1)
Mandatory convertible preferred share cumulative dividends	16	$ 16				(16)		(16)
Taxes witheld on employees' restricted share award vestings	(30)				(30)			(30)
Stock Repurchased During Period, Value	$ (70)				(6)	(64)		(70)
Repurchase of ordinary shares, in shares	(603,741)		0
Share based compensation	$ 19				19			19
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
Balance of redeemable noncontrolling interest	$ 97									$ 97