v3.26.1
Revenue - Schedule of Revenue by Sales Category (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Net sales $ 12,593 $ 11,142 $ 23,757 $ 21,500
United States        
Segment Reporting [Line Items]        
Net sales 5,216 4,276 9,490 8,444
International        
Segment Reporting [Line Items]        
Net sales 7,377 6,866 14,267 13,056
Operating Segments        
Segment Reporting [Line Items]        
Net sales 12,588 11,137 23,750 21,492
Operating Segments | Established Pharmaceutical Products        
Segment Reporting [Line Items]        
Net sales 1,499 1,383 2,925 2,643
Operating Segments | Established Pharmaceutical Products | Key Emerging Markets        
Segment Reporting [Line Items]        
Net sales 1,164 1,059 2,253 2,024
Operating Segments | Established Pharmaceutical Products | Other        
Segment Reporting [Line Items]        
Net sales 335 324 672 619
Operating Segments | Nutritional Products        
Segment Reporting [Line Items]        
Net sales 2,144 2,212 4,161 4,358
Operating Segments | Nutritional Products | Pediatric Nutritionals        
Segment Reporting [Line Items]        
Net sales 1,025 1,054 1,978 2,095
Operating Segments | Nutritional Products | Adult Nutritionals        
Segment Reporting [Line Items]        
Net sales 1,119 1,158 2,183 2,263
Operating Segments | Diagnostic Products        
Segment Reporting [Line Items]        
Net sales 3,092 2,173 5,272 4,227
Operating Segments | Diagnostic Products | Core Laboratory        
Segment Reporting [Line Items]        
Net sales 1,418 1,358 2,690 2,535
Operating Segments | Diagnostic Products | Rapid and Molecular        
Segment Reporting [Line Items]        
Net sales 755 815 1,567 1,692
Operating Segments | Diagnostic Products | Cancer Diagnostics        
Segment Reporting [Line Items]        
Net sales 919 0 1,015 0
Operating Segments | Medical Devices        
Segment Reporting [Line Items]        
Net sales 5,853 5,369 11,392 10,264
Operating Segments | Medical Devices | Rhythm Management        
Segment Reporting [Line Items]        
Net sales 743 673 1,427 1,258
Operating Segments | Medical Devices | Electrophysiology        
Segment Reporting [Line Items]        
Net sales 861 755 1,649 1,430
Operating Segments | Medical Devices | Electrophysiology | Reclassification, Segmentation Basis Change        
Segment Reporting [Line Items]        
Net sales   55   101
Operating Segments | Medical Devices | Heart Failure        
Segment Reporting [Line Items]        
Net sales 401 368 790 707
Operating Segments | Medical Devices | Vascular        
Segment Reporting [Line Items]        
Net sales 803 757 1,580 1,467
Operating Segments | Medical Devices | Structural Heart        
Segment Reporting [Line Items]        
Net sales 597 581 1,175 1,112
Operating Segments | Medical Devices | Neuromodulation        
Segment Reporting [Line Items]        
Net sales 260 254 503 482
Operating Segments | Medical Devices | Diabetes Care        
Segment Reporting [Line Items]        
Net sales 2,188 1,981 4,268 3,808
Operating Segments | United States | Established Pharmaceutical Products        
Segment Reporting [Line Items]        
Net sales 0 0 0 0
Operating Segments | United States | Established Pharmaceutical Products | Key Emerging Markets        
Segment Reporting [Line Items]        
Net sales 0 0 0 0
Operating Segments | United States | Established Pharmaceutical Products | Other        
Segment Reporting [Line Items]        
Net sales 0 0 0 0
Operating Segments | United States | Nutritional Products        
Segment Reporting [Line Items]        
Net sales 871 957 1,715 1,912
Operating Segments | United States | Nutritional Products | Pediatric Nutritionals        
Segment Reporting [Line Items]        
Net sales 525 587 1,036 1,175
Operating Segments | United States | Nutritional Products | Adult Nutritionals        
Segment Reporting [Line Items]        
Net sales 346 370 679 737
Operating Segments | United States | Diagnostic Products        
Segment Reporting [Line Items]        
Net sales 1,660 811 2,565 1,682
Operating Segments | United States | Diagnostic Products | Core Laboratory        
Segment Reporting [Line Items]        
Net sales 377 351 724 683
Operating Segments | United States | Diagnostic Products | Rapid and Molecular        
Segment Reporting [Line Items]        
Net sales 393 460 858 999
Operating Segments | United States | Diagnostic Products | Cancer Diagnostics        
Segment Reporting [Line Items]        
Net sales 890 0 983 0
Operating Segments | United States | Medical Devices        
Segment Reporting [Line Items]        
Net sales 2,680 2,503 5,203 4,842
Operating Segments | United States | Medical Devices | Rhythm Management        
Segment Reporting [Line Items]        
Net sales 377 340 716 644
Operating Segments | United States | Medical Devices | Electrophysiology        
Segment Reporting [Line Items]        
Net sales 420 362 798 695
Operating Segments | United States | Medical Devices | Heart Failure        
Segment Reporting [Line Items]        
Net sales 313 282 605 544
Operating Segments | United States | Medical Devices | Vascular        
Segment Reporting [Line Items]        
Net sales 294 283 585 551
Operating Segments | United States | Medical Devices | Structural Heart        
Segment Reporting [Line Items]        
Net sales 225 249 449 497
Operating Segments | United States | Medical Devices | Neuromodulation        
Segment Reporting [Line Items]        
Net sales 189 193 366 369
Operating Segments | United States | Medical Devices | Diabetes Care        
Segment Reporting [Line Items]        
Net sales 862 794 1,684 1,542
Operating Segments | International | Established Pharmaceutical Products        
Segment Reporting [Line Items]        
Net sales 1,499 1,383 2,925 2,643
Operating Segments | International | Established Pharmaceutical Products | Key Emerging Markets        
Segment Reporting [Line Items]        
Net sales 1,164 1,059 2,253 2,024
Operating Segments | International | Established Pharmaceutical Products | Other        
Segment Reporting [Line Items]        
Net sales 335 324 672 619
Operating Segments | International | Nutritional Products        
Segment Reporting [Line Items]        
Net sales 1,273 1,255 2,446 2,446
Operating Segments | International | Nutritional Products | Pediatric Nutritionals        
Segment Reporting [Line Items]        
Net sales 500 467 942 920
Operating Segments | International | Nutritional Products | Adult Nutritionals        
Segment Reporting [Line Items]        
Net sales 773 788 1,504 1,526
Operating Segments | International | Diagnostic Products        
Segment Reporting [Line Items]        
Net sales 1,432 1,362 2,707 2,545
Operating Segments | International | Diagnostic Products | Core Laboratory        
Segment Reporting [Line Items]        
Net sales 1,041 1,007 1,966 1,852
Operating Segments | International | Diagnostic Products | Rapid and Molecular        
Segment Reporting [Line Items]        
Net sales 362 355 709 693
Operating Segments | International | Diagnostic Products | Cancer Diagnostics        
Segment Reporting [Line Items]        
Net sales 29 0 32 0
Operating Segments | International | Medical Devices        
Segment Reporting [Line Items]        
Net sales 3,173 2,866 6,189 5,422
Operating Segments | International | Medical Devices | Rhythm Management        
Segment Reporting [Line Items]        
Net sales 366 333 711 614
Operating Segments | International | Medical Devices | Electrophysiology        
Segment Reporting [Line Items]        
Net sales 441 393 851 735
Operating Segments | International | Medical Devices | Heart Failure        
Segment Reporting [Line Items]        
Net sales 88 86 185 163
Operating Segments | International | Medical Devices | Vascular        
Segment Reporting [Line Items]        
Net sales 509 474 995 916
Operating Segments | International | Medical Devices | Structural Heart        
Segment Reporting [Line Items]        
Net sales 372 332 726 615
Operating Segments | International | Medical Devices | Neuromodulation        
Segment Reporting [Line Items]        
Net sales 71 61 137 113
Operating Segments | International | Medical Devices | Diabetes Care        
Segment Reporting [Line Items]        
Net sales 1,326 1,187 2,584 2,266
Other        
Segment Reporting [Line Items]        
Net sales 5 5 7 8
Other | United States        
Segment Reporting [Line Items]        
Net sales 5 5 7 8
Other | International        
Segment Reporting [Line Items]        
Net sales $ 0 $ 0 $ 0 $ 0