Notes Payable and Long-Term Debt - Additional Information (Details) - USD ($) $ in Millions	Aug. 31, 2026	Jan. 31, 2026	Jan. 23, 2026
Debt Instrument [Line Items]
Letters of credit and surety bonds	$ 137
Senior Notes | 1.700% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	1.70%
Senior Notes | 4.250% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.25%
Senior Notes | 3.950% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.95%
Senior Notes | 5.450% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	5.45%
Senior Notes | 4.200% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.20%		4.20%
Senior Notes | 3.600% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.60%
Senior Notes | 3.000% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.00%
Senior Notes | 4.750% Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.75%	4.75%	4.75%