Commitments and Contingencies Operating Leases (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 27, 2026	Sep. 28, 2025	Sep. 29, 2024
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	8 years	8 years
Operating Lease, Expense	$ 204	$ 184	$ 184
Operating Lease, Right-of-Use Asset	$ 776	$ 735
Operating Lease, Right-of-Use Asset	Other current assets	Other current assets
Operating Lease, Liability, Current	$ 121	$ 102
Operating Lease, Liability, Current	Other current liabilities	Other current liabilities
Operating Lease, Liability, Noncurrent	$ 759	$ 730
Operating Lease, Liability, Noncurrent	Other liabilities	Other liabilities
Year 1 - future lease payments	$ 162
Year 2 - future lease payments	157
Year 3 - future lease payments	149
Year 4 - future lease payments	138
Year 5 - future lease payments	116
Thereafter - future lease payments	395
Total future lease payments	1,117
Imputed interest	(237)
Total lease liability balance	$ 880
Lessee, Lease, Description
Lessee, Operating Lease, Renewal Term	20 years
Operating Lease, Liability, Noncurrent	$ 759	$ 730
Minimum
Lessee, Lease, Description
Lessee, Operating Lease, Term of Contract	1 year
Maximum
Lessee, Lease, Description
Lessee, Operating Lease, Term of Contract	20 years

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of operating lease expense. Excludes sublease income.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Indicates line item in statement of financial position that includes noncurrent operating lease liability.

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Amount of lessee's right to use underlying asset under operating lease.

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Indicates line item in statement of financial position that includes operating lease right-of-use asset.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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