Derivative instruments - Total Notional Amounts Of Derivative Instruments (Details) - USD ($) $ in Millions	Sep. 28, 2024	Dec. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of derivative	$ 610	$ 0
Foreign currency derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of derivative	300	0
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of derivative	60	0
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of derivative	$ 250	$ 0