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Restructuring - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 234	$ 489	$ 275
MedTech
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 300
Restructuring Charges | MedTech
Restructuring Cost and Reserve [Line Items]
Restructuring charges	132	40
R&D Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	100	500
Restructuring and Related Cost, Cost Incurred to Date	600
Orthopaedics Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	200	$ 300
Restructuring and Related Cost, Cost Incurred to Date	500
Orthopaedics Restructuring Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Pre-tax restructuring charges	700
Orthopaedics Restructuring Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Pre-tax restructuring charges	$ 800

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Amount of costs incurred to date for the specified restructuring cost.

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