Schedule of Number of Stock Options (Parenthetical) (Details)	12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Conversion ratio	1.41

Sharebased compensation arrangement by sharebased payment award equity instruments other than options conversion ratio.

No definition available.

Name:	alv_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsConversionRatio
Namespace Prefix:	alv_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration