XML 134 R117.htm IDEA: XBRL DOCUMENT v3.8.0.1
Quarterly Financial Results and Market for Company's Stock (Parenthetical) (Detail) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Income Statement [Abstract]                
Business optimization, acquisition, collaboration arrangements and other benefits             $ 1,000 $ 3,100
Business optimization, acquisition, collaboration arrangements and other charges $ 388 $ 82 $ 57 $ 17 $ 47 $ 155