XML 49 R40.htm IDEA: XBRL DOCUMENT v3.20.2
DERIVATIVE FINANCIAL INSTRUMENTS Narrative (Details) - Foreign Currency Forward Contracts Not Designated as Hedges [Member] - USD ($)
$ in Billions
Aug. 31, 2020
May 31, 2020
Forward contracts held to purchase U.S. Dollars [Member]    
Foreign Currency Forward Contracts Not Designated as Hedges (Narrative) [Abstract]    
Notional amounts of forward contracts $ 3.7 $ 4.2
Forward contracts held to sell U.S. Dollars [Member]    
Foreign Currency Forward Contracts Not Designated as Hedges (Narrative) [Abstract]    
Notional amounts of forward contracts $ 3.7 $ 3.9