Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 28, 2023
Document Information [Line Items]
Document Fiscal Year Focus	2023
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-35346
Entity Registrant Name	APTIV PLC
Entity Central Index Key	0001521332
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Incorporation, State or Country Code	Y9
Entity Tax Identification Number	98-1029562
Entity Address, Address Line One	5 Hanover Quay
Entity Address, Address Line Two	Grand Canal Dock
Entity Address, City or Town	Dublin
Entity Address, Postal Zip Code	D02 VY79
Entity Address, Country	IE
City Area Code	353
Country Region	1
Local Phone Number	259-7013
Entity Information, Former Legal or Registered Name	N/A
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		270,506,398
Ordinary Shares
Document Information [Line Items]
Title of 12(b) Security	Ordinary Shares, $0.01 par value per share
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	Ordinary Shares, $0.01 par value per share
Trading Symbol	APTV
Security Exchange Name	NYSE
Preferred Shares
Document Information [Line Items]
Title of 12(b) Security	5.50% Mandatory Convertible Preferred Shares, Series A, $0.01 par value per share
Trading Symbol	APTV PRA
Security Exchange Name	NYSE
Title of 12(b) Security	5.50% Mandatory Convertible Preferred Shares, Series A, $0.01 par value per share
Trading Symbol	APTV PRA
Security Exchange Name	NYSE
Senior Notes, 2.396% due 2025
Document Information [Line Items]
Title of 12(b) Security	2.396% Senior Notes due 2025
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	2.396% Senior Notes due 2025
Trading Symbol	APTV
Security Exchange Name	NYSE
Euro-Denominated Senior Notes, 1.500% Due 2025
Document Information [Line Items]
Title of 12(b) Security	1.500% Senior Notes due 2025
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	1.500% Senior Notes due 2025
Trading Symbol	APTV
Security Exchange Name	NYSE
Euro-denominated Senior Notes, 1.600% Due 2028
Document Information [Line Items]
Title of 12(b) Security	1.600% Senior Notes due 2028
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	1.600% Senior Notes due 2028
Trading Symbol	APTV
Security Exchange Name	NYSE
Senior Notes, 4.35% Due 2029
Document Information [Line Items]
Title of 12(b) Security	4.350% Senior Notes due 2029
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	4.350% Senior Notes due 2029
Trading Symbol	APTV
Security Exchange Name	NYSE
Senior Notes, 3.250% due 2032
Document Information [Line Items]
Title of 12(b) Security	3.250% Senior Notes due 2032
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	3.250% Senior Notes due 2032
Trading Symbol	APTV
Security Exchange Name	NYSE
Senior Notes, 4.400% Due 2046
Document Information [Line Items]
Title of 12(b) Security	4.400% Senior Notes due 2046
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	4.400% Senior Notes due 2046
Trading Symbol	APTV
Security Exchange Name	NYSE
Senior Notes, 5.40% Due 2049
Document Information [Line Items]
Title of 12(b) Security	5.400% Senior Notes due 2049
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	5.400% Senior Notes due 2049
Trading Symbol	APTV
Security Exchange Name	NYSE
Senior Notes, 3.100% due 2051
Document Information [Line Items]
Title of 12(b) Security	3.100% Senior Notes due 2051
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	3.100% Senior Notes due 2051
Trading Symbol	APTV
Security Exchange Name	NYSE
Senior Notes, 4.150% due 2052
Document Information [Line Items]
Title of 12(b) Security	4.150% Senior Notes due 2052
Trading Symbol	APTV
Security Exchange Name	NYSE
Title of 12(b) Security	4.150% Senior Notes due 2052
Trading Symbol	APTV
Security Exchange Name	NYSE