v3.6.0.2
Restructuring Charges - Restructuring Charges Less Releases Recorded in Liabilities Per Line Item in Statement of Operations (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges $ 68 $ 264 $ 28
Cost of Revenue [Member]      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 18 18 16
Selling, General and Administrative [Member]      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 9 155 3
Research and Development [Member]      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges $ 41 $ 91 $ 9