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Goodwill and other intangible assets (Tables)
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The change in the carrying amount of goodwill was as follows (in millions):
Balance at December 31, 2024
$18,637 
Foreign currency translation adjustments
8 
Balance at March 31, 2025
$18,645 
Schedule of Other Intangible Assets
Other intangible assets consisted of the following (in millions):
 March 31, 2025December 31, 2024
 Gross
carrying
amounts		Accumulated
amortization		Other intangible
assets, net		Gross
carrying
amounts		Accumulated
amortization		Other intangible
assets, net
Finite-lived intangible assets:
Developed-product-technology rights$47,824 $(23,743)$24,081 $48,611 $(22,594)$26,017 
Licensing rights3,875 (3,425)450 3,875 (3,392)483 
Marketing-related rights1,202 (1,202)— 1,202 (1,202)— 
Research and development technology rights1,387 (1,254)133 1,374 (1,235)139 
Total finite-lived intangible assets54,288 (29,624)24,664 55,062 (28,423)26,639 
Indefinite-lived intangible assets:
In-process research and development1,060 — 1,060 1,060 — 1,060 
Total other intangible assets$55,348 $(29,624)$25,724 $56,122 $(28,423)$27,699