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Commitments and Contingencies (Details) - USD ($) $ in Millions	Mar. 29, 2024	Sep. 29, 2023
Loss Contingencies
Accrual environmental loss contingency, estimate of probable loss	$ 20
Supplier Finance Program, Obligation [Roll Forward]
Supplier Finance Program, Obligation	113	$ 109
Minimum
Loss Contingencies
Accrual environmental loss contingency, estimate of probable loss	17
Maximum
Loss Contingencies
Accrual environmental loss contingency, estimate of probable loss	43
Outstanding letters of credit, letters of guarantee and surety bonds
Guarantees
Guarantor obligations, maximum exposure	180
Discontinued Operations, Disposed of by Sale \| Subsea Communications \| Performance guarantee
Guarantees
Guarantor obligations, maximum exposure	25
Discontinued Operations, Disposed of by Sale \| Subsea Communications \| Letters of credit
Guarantees
Guarantor obligations, maximum exposure	$ 22