Income Tax Expense - Income before Taxes (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Foreign			$ (1,348)	$ (543)	$ (2,253)
Domestic			(131)	40	251
Income (loss) before taxes	$ (1,479)	$ (503)	$ (1,479)	$ (503)	$ (2,002)