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Goodwill and Other Intangible Assets - Summary of Goodwill (Details) - USD ($)
$ in Millions
Aug. 31, 2022
Aug. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]    
Gross Carrying Amount $ 1,724 $ 1,735
Accumulated Impairment $ 1,020 $ 1,020