Shareholders’ equity - Narrative (Details) $ in Billions		3 Months Ended
	Aug. 01, 2024 shares	Oct. 31, 2024 USD ($) trust
Class of Stock [Line Items]
Number of employee benefit trusts | trust		2
Authorized stock to repurchased | $		$ 4.0
Stock repurchased | $		$ 3.4
Ordinary shares
Class of Stock [Line Items]
Treasury stock, shares, retired | shares	30,827,929
Ordinary shares canceled (in shares) | shares	201,343,253