Debt - Long-Term Debt (Details) - USD ($) $ in Millions	Nov. 30, 2024	Aug. 31, 2024
Debt Instrument [Line Items]
Current portion	$ 446	$ 1,505
Non-current portion	7,611	8,044
Fair value of long-term notes outstanding	8,056	$ 9,549
Revolving credit facilities
Debt Instrument [Line Items]
Current portion	0
Non-current portion	0
Fair value of long-term notes outstanding	0
Commercial paper
Debt Instrument [Line Items]
Current portion	0
Non-current portion	0
Fair value of long-term notes outstanding	$ 0