Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Jul. 10, 2020
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Trading Symbol	ALV
Security Exchange Name	NYSE
Entity Registrant Name	AUTOLIV, INC.
Entity Central Index Key	0001034670
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Title of 12(b) Security	Common Stock (par value $1.00 per share)
Entity Common Stock, Shares Outstanding		87,331,791
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity File Number	001-12933
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	51-0378542
Entity Address, Address Line One	Klarabergsviadukten 70, Section B7
Entity Address, Address Line Two	Box 70381
Entity Address, City or Town	Stockholm
Entity Address, Country	SE
Entity Address, Postal Zip Code	SE-107 24
City Area Code	+46 8
Local Phone Number	587 20 600
Document Quarterly Report	true
Document Transition Report	false