Debt - long-term debt by future maturity (Details) $ in Millions	Aug. 31, 2023 USD ($)
Long Term Debt by Future Maturity [Abstract]
2024	$ 918
2025	1,451
2026	2,830
2027	815
2028	3
Later	3,074
Total estimated future maturities	$ 9,092

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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