XML 142 R128.htm IDEA: XBRL DOCUMENT v3.20.4
Other Income and Expenses Net - Other Income and Expenses Net (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other Income And Expenses [Abstract]      
Research and development funding $ 231 $ 132 $ 52
Phase-out and start-up costs (8) (38) (1)
Exchange gains and losses, net 8   4
Patent costs (11) (1) (8)
Gain on sale of non-current assets 14 7 8
COVID-19 incremental costs (32) 0 0
Other, net   3 (2)
Total $ 202 $ 103 $ 53