Financial Instruments - Notional Amounts Associated with Derivative Instruments (Details) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024
Derivatives designated as accounting hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivatives, notional amount	$ 62,647	$ 64,069
Derivatives designated as accounting hedges | Interest rate contracts
Derivatives, Fair Value [Line Items]
Derivatives, notional amount	12,875	14,575
Derivatives not designated as accounting hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivatives, notional amount	$ 109,079	$ 91,493