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Trade Accounts Receivable Sale Programs (Trade Accounts Receivable Sale Programs Key Terms) (Details) - 12 months ended Aug. 31, 2021
USD ($)
CNY (¥)
CHF (SFr)
A      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 600,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
B      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 150,000,000    
C      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount | ¥   ¥ 400,000,000  
D      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 150,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
E      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 150,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
F      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 50,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 15 days    
G      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 100,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
H      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 100,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
I      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 550,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
J      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 135,000,000    
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
K      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount | SFr     SFr 100,000,000
Threshold period to cancel trade accounts receivable sale agreement before automatic extension 30 days    
L      
Trade Accounts Receivable Securitization and Sale Program [Line Items]      
Maximum amount $ 90,000,000