Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Jul. 31, 2025	Jul. 31, 2024	Oct. 07, 2022
Debt Instrument [Line Items]
Subtotal	$ 4,175	$ 3,950
Less: current maturities of debt	(400)	(150)
Unamortized discounts and debt issuance costs	(19)	(18)
Interest rate swap - fair value adjustment	(4)	(8)
Long-term debt	3,752	3,774
Receivables Facility | Receivables Facility
Debt Instrument [Line Items]
Subtotal	375	250
Term Loan | Term Loan
Debt Instrument [Line Items]
Subtotal	$ 0	500	$ 500
Private Placement Notes: | 3.44% due November 2024
Debt Instrument [Line Items]
Interest rate	3.44%
Subtotal	$ 0	150
Private Placement Notes: | 3.73% due September 2025
Debt Instrument [Line Items]
Interest rate	3.73%
Subtotal	$ 400	400
Private Placement Notes: | 3.51% due November 2026
Debt Instrument [Line Items]
Interest rate	3.51%
Subtotal	$ 150	150
Private Placement Notes: | 3.83% due September 2027
Debt Instrument [Line Items]
Interest rate	3.83%
Subtotal	$ 150	150
Unsecured Senior Notes: | 4.25% due April 2027
Debt Instrument [Line Items]
Interest rate	4.25%
Subtotal	$ 300	300
Unsecured Senior Notes: | 4.50% due October 2028
Debt Instrument [Line Items]
Interest rate	4.50%
Subtotal	$ 750	750
Unsecured Senior Notes: | 3.25% due June 2030
Debt Instrument [Line Items]
Interest rate	3.25%
Subtotal	$ 600	600
Unsecured Senior Notes: | 4.65% due April 2032
Debt Instrument [Line Items]
Interest rate	4.65%
Subtotal	$ 700	700
Unsecured Senior Notes: | 5.00% due October 2034
Debt Instrument [Line Items]
Interest rate	5.00%
Subtotal	$ 750	$ 0