OTHER FINANCIAL STATEMENT DETAILS - Property and equipment, net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Dec. 28, 2024
Property and equipment, net
Total property and equipment, gross	$ 617		$ 617		$ 586
Less: accumulated depreciation	(163)		(163)		(128)
Total property and equipment, net	454		454		458
Depreciation expenses	18	$ 16	36	$ 30
Amount of tangible assets derecognized during the period			1	$ 7
Computers, electronic equipment and software
Property and equipment, net
Total property and equipment, gross	226		226		197
Vehicles
Property and equipment, net
Total property and equipment, gross	14		14		14
Office furniture and equipment
Property and equipment, net
Total property and equipment, gross	10		10		10
Buildings
Property and equipment, net
Total property and equipment, gross	319		319		321
Leasehold improvements
Property and equipment, net
Total property and equipment, gross	$ 48		$ 48		$ 44