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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Restructuring - Cost (Details) - USD ($) $ in Millions			3 Months Ended	12 Months Ended			32 Months Ended
Restructuring - Cost (Details) - USD ($) $ in Millions	Dec. 17, 2024	Nov. 26, 2024	Jun. 30, 2023	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023	Dec. 29, 2024
Restructuring Cost and Reserve [Line Items]
Additions				$ 31	$ 195	$ 151	$ 377
Accelerated depreciation					11	20
Proceeds from sale	$ 58	$ 32
Gain (loss) on sale	$ 32		$ (86)	35	85	(1)
Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Additions				3	85	83	171
Contract termination costs
Restructuring Cost and Reserve [Line Items]
Additions				9	42	6	57
Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Additions				1	3	28	32
Loss on asset disposals (2)
Restructuring Cost and Reserve [Line Items]
Additions				4	2	3	9
Gain (loss) on sale		$ 4
Other exit costs
Restructuring Cost and Reserve [Line Items]
Additions				$ 15	$ 64	$ 31	$ 110