Employee Termination and Other Charges - Schedule of Net Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 27, 2024	Dec. 29, 2023
Restructuring Cost and Reserve [Line Items]
Employee termination and other	$ 3	$ 13	$ 5	$ (46)
Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Employee termination and other	2	13	2	14
Contract termination and other
Restructuring Cost and Reserve [Line Items]
Employee termination and other	1	0	3	0
Gain on sale-leaseback of facility
Restructuring Cost and Reserve [Line Items]
Employee termination and other	$ 0	$ 0	$ 0	$ (60)