Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill	$ 1,389,900,000	$ 1,397,000,000	$ 1,380,600,000
Goodwill impairment charge		234,200,000
Amortization expense on intangible assets	11,300,000	11,200,000	10,500,000
2019	11,600,000
2020	10,200,000
2021	9,100,000
2022	1,200,000
2023	600,000
Continuing Operations
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill impairment charge	0	$ 0	$ 0
1997 Merger of Autoliv AB and Automotive Safety Products Division of Morton International, Inc.
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill	$ 1,200,000,000