Original pricing of senior unsecured note at issuance expressed as a percentage of par value.

No definition available.

Name:	aptv_DebtInstrumentPrice
Namespace Prefix:	aptv_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482949/835-30-55-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69F
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69F

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 11: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 16: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 17: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 19: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 20: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1E
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E

Reference 21: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 22: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 24: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 25: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1I
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I

Reference 26: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 27: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481303/470-50-40-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481303/470-50-40-4

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Debt Senior Unsecured Notes (Details) € in Millions								3 Months Ended		6 Months Ended
Debt Senior Unsecured Notes (Details) € in Millions	Sep. 13, 2024 USD ($)	Jun. 11, 2024 USD ($)	Feb. 18, 2022 USD ($)	Nov. 23, 2021 USD ($)	Mar. 14, 2019 USD ($)	Sep. 20, 2016 USD ($)	Sep. 15, 2016 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 11, 2024 EUR (€)	Sep. 15, 2016 EUR (€)	Nov. 19, 2015 USD ($)	Mar. 10, 2015 EUR (€)	Mar. 03, 2014 USD ($)	Feb. 14, 2013 USD ($)
Debt Instrument [Line Items]
Loss on extinguishment of debt								$ 0	$ 0	$ (3,000,000)	$ 0
Euro-Denominated Senior Notes, 1.500% Due 2025 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage															1.50%
Euro-Denominated Senior Notes, 1.500% Due 2025 \| Senior Notes \| Designated as Hedging Instrument \| Net Investment Hedging
Debt Instrument [Line Items]
Debt Instrument, Face Amount \| €															€ 700
Euro-denominated Senior Notes, 1.600% Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								1.60%		1.60%			1.60%
Payments of Debt Issuance Costs							$ 4,000,000
Debt Instrument, Price													99.881%
Debt Instrument, Interest Rate, Effective Percentage													1.611%
Euro-denominated Senior Notes, 1.600% Due 2028 \| Senior Notes \| Designated as Hedging Instrument \| Net Investment Hedging
Debt Instrument [Line Items]
Debt Instrument, Face Amount \| €													€ 500
Senior Notes, 5.000% Due 2023 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																	5.00%
Debt Instrument, Face Amount																	$ 800,000,000
Senior Notes, 4.400% Due 2046 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.40%		4.40%		4.40%
Payments of Debt Issuance Costs						$ 3,000,000
Debt Instrument, Price						99.454%
Debt Instrument, Interest Rate, Effective Percentage						4.433%
Debt Instrument, Face Amount						$ 300,000,000
2019 Senior Notes [Member] \| Senior Notes
Debt Instrument [Line Items]
Payments of Debt Issuance Costs					$ 7,000,000
Debt Instrument, Face Amount					$ 650,000,000
Senior Notes, 4.35% Due 2029 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					4.35%			4.35%		4.35%
Debt Instrument, Price					99.879%
Debt Instrument, Interest Rate, Effective Percentage					4.365%
Debt Instrument, Face Amount					$ 300,000,000
Senior Notes, 5.40% Due 2049 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					5.40%			5.40%		5.40%
Debt Instrument, Price					99.558%
Debt Instrument, Interest Rate, Effective Percentage					5.43%
Debt Instrument, Face Amount					$ 350,000,000
Senior Notes, 3.10% Due 2051 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				3.10%				3.10%		3.10%
Payments of Debt Issuance Costs				$ 17,000,000
Debt Instrument, Price				97.814%
Debt Instrument, Interest Rate, Effective Percentage				3.214%
Debt Instrument, Face Amount				$ 1,500,000,000
Senior Notes, 4.150% Due 2024 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																4.15%
Debt Instrument, Face Amount																$ 700,000,000
Senior Notes, 4.25% Due 2026 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage														4.25%
Debt Instrument, Face Amount														$ 650,000,000
2022 Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Payments of Debt Issuance Costs			$ 22,000,000
Debt Instrument, Face Amount			$ 2,500,000,000
Senior Notes, 2.396% due 2025 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			2.396%
Debt Instrument, Price			100.00%
Debt Instrument, Interest Rate, Effective Percentage			2.396%
Debt Instrument, Face Amount			$ 700,000,000
Senior Notes, 3.250% due 2032 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.25%					3.25%		3.25%
Debt Instrument, Price			99.60%
Debt Instrument, Interest Rate, Effective Percentage			3.297%
Debt Instrument, Face Amount			$ 800,000,000
Senior Notes, 4.150% due 2052 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			4.15%					4.15%		4.15%
Debt Instrument, Price			99.783%
Debt Instrument, Interest Rate, Effective Percentage			4.163%
Debt Instrument, Face Amount			$ 1,000,000,000.0
Senior Notes, 3.15% Due 2020 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage														3.15%
Debt Instrument, Face Amount														$ 650,000,000
Euro-Denominated Senior Notes, 4.250% Due 2036 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage								4.25%		4.25%		4.25%
Payments of Debt Issuance Costs		$ 7,000,000
Debt Instrument, Price												99.723%
Debt Instrument, Interest Rate, Effective Percentage												4.28%
Euro-Denominated Senior Notes, 4.250% Due 2036 \| Senior Notes \| Designated as Hedging Instrument \| Net Investment Hedging
Debt Instrument [Line Items]
Debt Instrument, Face Amount \| €												€ 750
2024 Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Payments of Debt Issuance Costs	$ 16,000,000
Debt Instrument, Face Amount	$ 1,650,000,000
Senior Notes, 4.65% Due 2029 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.65%							4.65%		4.65%
Debt Instrument, Price	99.912%
Debt Instrument, Interest Rate, Effective Percentage	4.67%
Debt Instrument, Face Amount	$ 550,000,000
Senior Notes, 5.15% Due 2034 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.15%							5.15%		5.15%
Debt Instrument, Price	99.768%
Debt Instrument, Interest Rate, Effective Percentage	5.18%
Debt Instrument, Face Amount	$ 550,000,000
Senior Notes, 5.75% Due 2054 \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.75%							5.75%		5.75%
Debt Instrument, Price	99.476%
Debt Instrument, Interest Rate, Effective Percentage	5.787%
Debt Instrument, Face Amount	$ 550,000,000