Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Name:	us-gaap_RestructuringAndRelatedCostIncurredCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Acquisitions and Divestitures -Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Apr. 30, 2017	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Restructuring and Related Cost, Incurred Cost			$ 72	$ 36	$ 63
Buisness Sale Percentage of Voting Interest Sold	49.00%
Quantum Capital Partners A.G
Business Acquisition [Line Items]
Manufacturing agreement (in years)		3 years
Discontinuationof Marzocchi Motor Bike Fork Suspension Business Mountain Bike Businessand Liquidationof Marzocchi Operations [Member]
Business Acquisition [Line Items]
Restructuring and Related Cost, Incurred Cost					$ 29