Employee Termination, Asset Impairment, and Other - Expense Recognition (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
Sep. 29, 2023	Dec. 29, 2023	Dec. 30, 2022	Dec. 29, 2023	Dec. 30, 2022
Restructuring Cost and Reserve [Line Items]
Gain on sale-leaseback of facility	$ (85)
Business Realignment
Restructuring Cost and Reserve [Line Items]
Employee termination benefits		$ 24	$ 61	$ 43	$ 85
Contract termination and other		0	0	29	0
Asset impairments		0	15	94	15
Gain on sale-leaseback of facility		0	0	(85)	0
Total employee termination, asset impairment, and other charges		$ 24	$ 76	$ 81	$ 100

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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