Pension and Other Benefit Programs - Estimated Future Benefit Payments (Detail) $ in Millions	Sep. 27, 2025 USD ($)
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2026	$ 829
2027	838
2028	884
2029	929
2030	975
2031 – 2035	5,445
Postretirement Medical Plans
Defined Benefit Plan Disclosure [Line Items]
2026	54	[1]
2027	57	[1]
2028	59	[1]
2029	62	[1]
2030	64	[1]
2031 – 2035	$ 343	[1]

[1] Estimated future benefit payments are net of expected Medicare subsidy receipts of $34 million.