Segments of business and geographic areas - Identifiable Assets (Details) - USD ($) $ in Millions	Jun. 28, 2026	Dec. 28, 2025
Segment Reporting [Line Items]
Assets	$ 201,061	$ 199,210
Segments Total
Segment Reporting [Line Items]
Assets	165,437	164,539
Operating Segments \| Innovative Medicine
Segment Reporting [Line Items]
Assets	78,856	78,057
Operating Segments \| MEDTECH
Segment Reporting [Line Items]
Assets	86,581	86,482
Corporate, Non-Segment \| General Corporate
Segment Reporting [Line Items]
Assets	$ 35,624	$ 34,671

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

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.

+ References

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+ Details