XML 85 R73.htm IDEA: XBRL DOCUMENT v3.21.2
Derivatives - Currency Effects (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Foreign Currency [Abstract]    
Year-on-year foreign currency transaction effects, including hedging impact, gain (loss) impact on pre-tax income $ (36) $ (94)