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Supplemental Cash Flow Information - Supplemental Cash Flow (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Supplemental Cash Flow Information [Abstract]    
Interest (net of capitalized interest) $ 154 $ 150
Income taxes 139 92
Income tax refunds received (36) (16)
Cash tax payments, net $ 103 $ 76