Investments in Affiliates (Details)	12 Months Ended
Dec. 31, 2025 $ / shares
Equity Method Investments and Joint Ventures [Abstract]
Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee, Per Diluted Share	$ 0.15

Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee, Per Diluted Share

No definition available.

Name:	aptv_GainLossOnDispositionOfStockInSubsidiaryOrEquityMethodInvesteePerDilutedShare
Namespace Prefix:	aptv_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration