XML 74 R56.htm IDEA: XBRL DOCUMENT v3.6.0.2
Goodwill and Other Intangibles, net - Changes in Net Carrying Value of Goodwill (Detail) - USD ($)
3 Months Ended 12 Months Ended
Oct. 01, 2016
Dec. 31, 2016
Dec. 31, 2015
Goodwill [Roll Forward]      
Beginning balance   $ 2,490,000,000 $ 2,490,000,000
Foreign exchange impact   1  
Goodwill impairment charge-wireless LAN divestiture   (32,000,000)  
Ending balance   2,458,000,000 2,490,000,000
Enterprise Business      
Goodwill [Roll Forward]      
Opening balance sheet adjustments     8,000,000
Foreign exchange impact     $ (8,000,000)
Ending balance   $ 2,300,000,000  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wireless LAN (WLAN)      
Goodwill [Roll Forward]      
Goodwill impairment charge-wireless LAN divestiture $ (32,000,000)