Consolidated Balance Sheets (Parenthetical) $ in Millions	Jul. 31, 2024 USD ($) shares	Jul. 31, 2023 USD ($) shares
Statement of Financial Position [Abstract]
Allowance for credit loss | $	$ 21	$ 27
Ordinary shares, shares authorized (in shares)	500,000,000	500,000,000
Ordinary shares, shares issued (in shares)	232,171,182	232,171,182
Treasury stock (in shares)	30,827,929	27,893,680
Employee Benefit Trust (in shares)	0	274,031