Restructuring Costs - Additional information (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($)
Renewal Combined [Member]
Restructuring Cost and Reserve [Line Items]
Commitment to release cost savings for investment portfolio	$ 1,300
Jarden Integration [Member]
Restructuring Cost and Reserve [Line Items]
Commitment to release cost savings for investment portfolio	1,000
Expected cumulative restructuring charges	1,000
Project Renewal [Member]
Restructuring Cost and Reserve [Line Items]
Commitment to release cost savings for investment portfolio	$ 300