XML 46 R36.htm IDEA: XBRL DOCUMENT v3.7.0.1
Commitments and Contingencies - Warranty Reserve Activity (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance at January 1 $ 5 $ 6
Provisions for warranties issued 1 2
Settlements (in cash or in kind) (2) (2)
Balance at March 31 $ 4 $ 6