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Postretirement and Other Employee Benefits - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2027
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Gain (loss) corridor, percent 10.00% 10.00% 10.00%  
Defined contribution plan, requisite service period 30 days      
Company contributions $ 88 $ 80 $ 78  
Minimum        
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Funded pension plans 25      
Maximum        
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Funded pension plans $ 31      
Global Equity Securities | Minimum | Forecast        
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Target allocation percentage       40.00%
Debt Securities | Minimum | Forecast        
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Target allocation percentage       60.00%
Foreign Plan        
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Average employee earnings, service period 3 years      
Foreign Plan | Switzerland Plan        
Pension and Other Postretirement Benefits Disclosure [Line Items]        
Average employee earnings, service period 10 years