Pension and Other Post-Retirement Benefit Plans - Schedule of Obligations and Funded Status (Details) - USD ($) $ in Millions	Jan. 02, 2026	Jun. 27, 2025
Retirement Benefits [Abstract]
Benefit obligation at end of period	$ 257	$ 272
Less: Fair value of plan assets at end of period	179	204
Unfunded status	$ 78	$ 68

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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+ Details