XML 61 R45.htm IDEA: XBRL DOCUMENT v3.21.2
Description of Business and Summary of Significant Accounting Policies (Fulfillment Costs) (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Capitalized costs $ 133 $ 85  
Amortization of fulfillment cost 58 57 $ 49
Impairment costs $ 0 $ 0 $ 0
Minimum      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Performance obligation, period 1 year    
Maximum      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Performance obligation, period 3 years