Segments of business and geographic areas - Additions to Property, Plan & Equipment and Depreciation and Amortization (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 29, 2026 |
Mar. 30, 2025 |
|
| Segment Reporting Information [Line Items] | ||
| Additions to Property, Plant & Equipment | $ 1,049 | $ 795 |
| Depreciation and Amortization | 2,004 | 1,772 |
| Segments Total | ||
| Segment Reporting Information [Line Items] | ||
| Additions to Property, Plant & Equipment | 1,017 | 756 |
| Depreciation and Amortization | 1,939 | 1,720 |
| Operating Segments | Innovative Medicine | ||
| Segment Reporting Information [Line Items] | ||
| Additions to Property, Plant & Equipment | 508 | 276 |
| Depreciation and Amortization | 1,036 | 884 |
| Operating Segments | MEDTECH | ||
| Segment Reporting Information [Line Items] | ||
| Additions to Property, Plant & Equipment | 509 | 480 |
| Depreciation and Amortization | 903 | 836 |
| Corporate, Non-Segment | General Corporate | ||
| Segment Reporting Information [Line Items] | ||
| Additions to Property, Plant & Equipment | 32 | 39 |
| Depreciation and Amortization | $ 65 | $ 52 |