Employee Termination and Other Charges - Schedule of Net Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Employee termination and other	$ 21	$ (40)	$ 69
Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Employee termination and other	18	15	68
Restructuring accrual	15	0	3
Asset impairments and other charges (gains)
Restructuring Cost and Reserve [Line Items]
Employee termination and other	0	5	1
Contract termination and other
Restructuring Cost and Reserve [Line Items]
Employee termination and other	3	0	0
Gain on sale-leaseback of facility
Restructuring Cost and Reserve [Line Items]
Employee termination and other	$ 0	$ (60)	$ 0