XML 31 R107.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Equity - Accumulated Other Comprehensive Income/(Loss) (Net of Tax) (Parenthetical) (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Standards Update 2016-01 [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Foreign currency translation attributable to non-controlling interests $ 5    
Foreign Currency Translation Adjustments Attributable to Non-controlling Interests [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Foreign currency translation attributable to non-controlling interests $ 14 $ 26 $ (63)