OTHER FINANCIAL STATEMENT DETAILS - Property and equipment, net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Sep. 25, 2021	Oct. 01, 2022	Sep. 25, 2021	Dec. 25, 2021
Property and equipment, net
Total property, plant and equipment, gross	$ 429		$ 429		$ 362
Less: accumulated depreciation	(75)		(75)		(58)
Total property, plant and equipment, net	354		354		304
Depreciation expenses	7	$ 5	17	$ 12
Computers, electronic equipment and software
Property and equipment, net
Total property, plant and equipment, gross	110		110		85
Vehicles
Property and equipment, net
Total property, plant and equipment, gross	11		11		11
Office furniture and equipment
Property and equipment, net
Total property, plant and equipment, gross	4		4		2
Leasehold improvements
Property and equipment, net
Total property, plant and equipment, gross	20		20		15
Construction on process
Property and equipment, net
Total property, plant and equipment, gross	$ 284		$ 284		$ 249