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Revenues - Revenues Earned from Major Customers (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue, Major Customer [Line Items]
Gross product sales	$ 28,190	$ 26,323	$ 25,979
Total product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 26,910	24,801	24,297
Three Customers | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	79.00%
McKesson Corporation | Total product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 19,035	$ 17,305	$ 15,187
McKesson Corporation | Total product sales | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	33.00%	35.00%	33.00%
Cencora, Inc. | Total product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 16,625	$ 15,443	$ 14,783
Cencora, Inc. | Total product sales | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	29.00%	31.00%	32.00%
Cardinal Health, Inc. | Total product sales
Revenue, Major Customer [Line Items]
Gross product sales	$ 9,775	$ 8,319	$ 7,681
Cardinal Health, Inc. | Total product sales | Revenue Benchmark | Customer Concentration Risk
Revenue, Major Customer [Line Items]
Concentration risk, percentage	17.00%	16.00%	17.00%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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