Revenues - Schedule of Revenues Earned from Major Customers (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue, Major Customer [Line Items]
Gross product sales	$ 33,424	$ 28,190	$ 26,323
Product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 32,026	26,910	24,801
Three Customers | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	77.00%
McKesson Corporation | Product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 22,173	$ 19,035	$ 17,305
McKesson Corporation | Product sales | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	33.00%	33.00%	35.00%
Cencora, Inc. | Product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 18,387	$ 16,625	$ 15,443
Cencora, Inc. | Product sales | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	27.00%	29.00%	31.00%
Cardinal Health, Inc. | Product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 11,278	$ 9,775	$ 8,319
Cardinal Health, Inc. | Product sales | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	17.00%	17.00%	16.00%