Pension and Other Post-Retirement Benefit Plans - Schedule of Unfunded Amounts Recognized on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 28, 2025	Jun. 28, 2024
Retirement Benefits [Abstract]
Current liabilities (included in Accrued expenses)	$ 1	$ 1
Non-current liabilities (included in Other liabilities)	67	59
Net amount recognized	$ 68	$ 60

Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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