Restructuring and Other Charges - Activity and Reserve Balances for Restructuring Charges (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Reserve [Roll Forward]
Restructuring reserve beginning balance	$ 59	$ 93	$ 68
Cash payments	(65)	(86)	(57)
Restructuring charges	65	97	104
Other	(1)	(45)	(22)
Restructuring reserve ending balance	58	59	93
Restructuring and other charges	165	155	214
Layoff costs
Restructuring Reserve [Roll Forward]
Restructuring reserve beginning balance	50	84	48
Cash payments	(59)	(73)	(45)
Restructuring charges	64	70	97
Other	1	(31)	(16)
Restructuring reserve ending balance	56	50	84
Other exit costs
Restructuring Reserve [Roll Forward]
Restructuring reserve beginning balance	9	9	20
Cash payments	(6)	(13)	(12)
Restructuring charges	1	27	7
Other	(2)	(14)	(6)
Restructuring reserve ending balance	2	9	9
Restructuring and other charges	69	57
Stock Awards Reversal
Restructuring Reserve [Roll Forward]
Restructuring and other charges	$ 13
Other Restructuring
Restructuring Reserve [Roll Forward]
Asset retirement obligation		8
Environmental Remediation
Restructuring Reserve [Roll Forward]
Restructuring and other charges		2
Legal Costs
Restructuring Reserve [Roll Forward]
Restructuring and other charges		$ 4
Warranties Lease Terminations And Tax Indemnities
Restructuring Reserve [Roll Forward]
Restructuring and other charges			$ 5