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Pension Plans - Narrative (Details) - UNITED STATES - USD ($) $ in Billions	Sep. 26, 2026	Jun. 29, 2026
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 6.2
Fixed Income Future Contract
Defined Benefit Plan Disclosure [Line Items]
Notional amount		$ 1.5
Minimum \| Fixed Income Securities and Cash
Defined Benefit Plan Disclosure [Line Items]
Target allocations percentage	60.00%
Minimum \| Defined Benefit Plan, Equity Securities, US
Defined Benefit Plan Disclosure [Line Items]
Target allocations percentage	10.00%
Minimum \| Employee Benefit Plan, Real Estate and Private Market Investments
Defined Benefit Plan Disclosure [Line Items]
Target allocations percentage	0.00%
Maximum \| Fixed Income Securities and Cash
Defined Benefit Plan Disclosure [Line Items]
Target allocations percentage	80.00%
Maximum \| Defined Benefit Plan, Equity Securities, US
Defined Benefit Plan Disclosure [Line Items]
Target allocations percentage	20.00%
Maximum \| Employee Benefit Plan, Real Estate and Private Market Investments
Defined Benefit Plan Disclosure [Line Items]
Target allocations percentage	10.00%