Restructuring and Other Charges, Net - Restructuring Reserve Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 29, 2023
Restructuring reserve
Restructuring reserve at the beginning of the period	$ 273	$ 320	$ 228
Charges	$ 118	$ 156	$ 270
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal	Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal	Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal
Changes in Estimate	$ (5)	$ (12)	$ (10)
Cash Payments	(207)	(188)	(178)
Non-Cash Items	(6)	(16)	(1)
Currency Translation and Other	4	13	11
Restructuring reserve at the end of the period	177	273	320
Fiscal 2025 Actions
Restructuring reserve
Charges	96
Cash Payments	(24)
Non-Cash Items	(3)
Currency Translation and Other	6
Restructuring reserve at the end of the period	75
Fiscal 2025 Actions \| Employee severance
Restructuring reserve
Charges	93
Cash Payments	(24)
Currency Translation and Other	6
Restructuring reserve at the end of the period	75
Fiscal 2025 Actions \| Property, plant, and equipment
Restructuring reserve
Charges	3
Non-Cash Items	(3)
Fiscal 2024 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	72
Charges	3	86
Changes in Estimate	(2)
Cash Payments	(42)	(9)
Non-Cash Items	(3)	(7)
Currency Translation and Other		2
Restructuring reserve at the end of the period	28	72
Fiscal 2024 Actions \| Employee severance
Restructuring reserve
Restructuring reserve at the beginning of the period	72
Charges	2	79
Changes in Estimate	(4)
Cash Payments	(42)	(9)
Currency Translation and Other		2
Restructuring reserve at the end of the period	28	72
Fiscal 2024 Actions \| Property, plant, and equipment
Restructuring reserve
Charges	1	7
Changes in Estimate	2
Non-Cash Items	(3)	(7)
Fiscal 2023 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	116	189
Charges	4	38	247
Changes in Estimate	(25)	(16)
Cash Payments	(56)	(88)	(51)
Non-Cash Items		(13)	(6)
Currency Translation and Other	1	6	(1)
Restructuring reserve at the end of the period	40	116	189
Fiscal 2023 Actions \| Employee severance
Restructuring reserve
Restructuring reserve at the beginning of the period	116	187
Charges	2	18	238
Changes in Estimate	(25)	(16)
Cash Payments	(52)	(79)	(50)
Currency Translation and Other	(1)	6	(1)
Restructuring reserve at the end of the period	40	116	187
Fiscal 2023 Actions \| Facility and other exit costs
Restructuring reserve
Restructuring reserve at the beginning of the period		2
Charges	2	7	3
Cash Payments	(4)	(9)	(1)
Currency Translation and Other	2
Restructuring reserve at the end of the period			2
Fiscal 2023 Actions \| Property, plant, and equipment
Restructuring reserve
Charges		13	6
Non-Cash Items		(13)	(6)
Pre Fiscal 2023 Actions
Restructuring reserve
Restructuring reserve at the beginning of the period	85	131	228
Charges	15	32	23
Changes in Estimate	22	4	(10)
Cash Payments	(85)	(91)	(127)
Non-Cash Items		4	5
Currency Translation and Other	(3)	5	12
Restructuring reserve at the end of the period	34	85	131
Pre Fiscal 2023 Actions \| Employee severance
Restructuring reserve
Restructuring reserve at the beginning of the period	70	127	220
Charges	9	16	13
Changes in Estimate	26	(4)	(8)
Cash Payments	(73)	(74)	(110)
Currency Translation and Other	(2)	5	12
Restructuring reserve at the end of the period	30	70	127
Pre Fiscal 2023 Actions \| Facility and other exit costs
Restructuring reserve
Restructuring reserve at the beginning of the period	15	4	8
Charges	6	18	7
Changes in Estimate	(4)	10	6
Cash Payments	(12)	(17)	(17)
Currency Translation and Other	(1)
Restructuring reserve at the end of the period	$ 4	15	4
Pre Fiscal 2023 Actions \| Property, plant, and equipment
Restructuring reserve
Charges		(2)	3
Changes in Estimate		(2)	(8)
Non-Cash Items		$ 4	$ 5

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