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Restructuring - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Restructuring - Narrative (Details) - USD ($) $ in Millions	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Restructuring Cost and Reserve [Line Items]
Total expected plan cost	$ 236		$ 236
Restructuring	$ 4	$ 0	13	$ 0
Severance, employee benefits and site closure costs
Restructuring Cost and Reserve [Line Items]
Restructuring			$ 13

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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