Acquisitions - Schedule of Assets and Liabilities Acquired (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Business Acquisition [Line Items]
Cash and cash equivalents	$ 1	$ 3
Receivables and other assets	53	134
Inventories	50	180
Property, plant and equipment	6	11
Operating lease right-of-use assets	11	66
Trade and other payables	(41)	(80)
Lease liabilities	(11)	(66)
Deferred tax	(7)	0
Provisions	0	(4)
Other	(2)	0
Total	183	464
Goodwill	124	198
Total consideration	307	662
Cash	261	619
Deferred consideration	46	43
Trade name intangible assets
Business Acquisition [Line Items]
Intangible assets	5	9
Customer relationships intangible assets
Business Acquisition [Line Items]
Intangible assets	108	207
Other intangible assets
Business Acquisition [Line Items]
Intangible assets	$ 10	$ 4