Acquisitions - Schedule of Assets and Liabilities Acquired (Details) $ in Millions	6 Months Ended
	Jan. 31, 2025 USD ($)
Business Acquisition [Line Items]
Trade and other receivables	$ 7
Inventories	6
Property, plant and equipment	1
Right of use assets	4
Trade and other payables	(2)
Lease liabilities	(4)
Total	46
Goodwill	15
Consideration	61
Cash	46
Deferred & other consideration	15
Total consideration	61
Trade names and brands
Business Acquisition [Line Items]
Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles	1
Customer relationships
Business Acquisition [Line Items]
Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles	32
Other intangible assets
Business Acquisition [Line Items]
Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles	$ 1