Gross Fair Value of Derivative Positions (Details) - USD ($) $ in Millions	Mar. 28, 2026	Sep. 27, 2025
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	$ (1,101)	$ (1,219)
Derivative Liability, Counterparty netting offset	410	378
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	479	550
Net derivative positions	(212)	(291)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent \| Derivatives designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(284)	(407)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent \| Derivatives designated as hedges \| Interest rate
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(736)	(762)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent \| Derivatives designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(2)	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent \| Derivatives not designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(66)	(49)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent \| Derivatives not designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(13)	(1)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	472	635
Derivative Asset, Counterparty Netting Offset	(353)	(517)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	0	0
Net derivative positions	119	118
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets \| Derivatives designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	335	376
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets \| Derivatives designated as hedges \| Interest rate
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	0	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets \| Derivatives designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	2	2
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets \| Derivatives not designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	65	168
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets \| Derivatives not designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	70	89
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	375	275
Derivative Asset, Counterparty Netting Offset	(325)	(260)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	0	0
Net derivative positions	50	15
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent \| Derivatives designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	251	233
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent \| Derivatives designated as hedges \| Interest rate
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	0	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent \| Derivatives designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	22	3
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent \| Derivatives not designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	102	39
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent \| Derivatives not designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement	0	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(280)	(470)
Derivative Liability, Counterparty netting offset	268	399
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	0	10
Net derivative positions	(12)	(61)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent \| Derivatives designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(124)	(208)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent \| Derivatives designated as hedges \| Interest rate
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	0	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent \| Derivatives designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	0	0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent \| Derivatives not designated as hedges \| Foreign exchange
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	(156)	(262)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent \| Derivatives not designated as hedges \| Other Derivative
Derivatives, Fair Value [Line Items]
Derivative Liability, Gross Liability Including Not Subject to Master Netting Arrangement	$ 0	$ 0

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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