Summary of Significant Accounting Policies - Warranty Coverage and Summary of Accrued Warranty Obligation (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Warranty reserve
Balance at the beginning of the year	$ 21	$ 22	$ 25
Warranty expense	28	31	30
Warranty payments	(31)	(32)	(33)
Balance at the end of the year	$ 18	$ 21	$ 22
Mobile computers printers and batteries
Product Warranty Liability [Line Items]
Product warranty term	1 year
Printheads
Product Warranty Liability [Line Items]
Product warranty term	6 months
Battery-based products
Product Warranty Liability [Line Items]
Product warranty term	90 days
Minimum | Advanced data capture products
Product Warranty Liability [Line Items]
Product warranty term	1 year
Maximum | Advanced data capture products
Product Warranty Liability [Line Items]
Product warranty term	5 years