Debt and Borrowing Arrangements - Debt Issuances (Details) - Loans Payable $ in Millions, $ in Millions	May 31, 2025 USD ($)	Aug. 31, 2024 USD ($)	Jul. 31, 2024 USD ($)	Jul. 31, 2024 CAD ($)	Feb. 29, 2024 USD ($)
4.250% Notes Due May 2028
Debt Instrument [Line Items]
Interest Rate	4.25%
Gross Proceeds	$ 700
4.500% Notes Due May 2030
Debt Instrument [Line Items]
Interest Rate	4.50%
Gross Proceeds	$ 500
5.125% Notes Due May 2035
Debt Instrument [Line Items]
Interest Rate	5.125%
Gross Proceeds	$ 400
4.750% Notes Due February 2029
Debt Instrument [Line Items]
Interest Rate					4.75%
Gross Proceeds					$ 550
4.625% Notes Due July 2031
Debt Instrument [Line Items]
Interest Rate			4.625%	4.625%
Gross Proceeds			$ 473	$ 650
4.750% Notes Due August 2034
Debt Instrument [Line Items]
Interest Rate		4.75%
Gross Proceeds		$ 500