XML 99 R84.htm IDEA: XBRL DOCUMENT v3.3.1.900
Hedges of Net Investments in International Operations (Detail) - Net investment hedge - Currency Translation Adjustments - Currency exchange contracts - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Euro notes      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains / (losses) recognized in OCI $ 268 $ 328 $ (50)
Pound sterling notes      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains / (losses) recognized in OCI 42 $ 39 $ (13)
Swiss franc notes      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains / (losses) recognized in OCI $ 9