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Revenue Recognition (Details) - Revenue from Contract with Customer Benchmark - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Three Customers
Concentration Risk [Line Items]
Concentration risk, percent	100.00%	100.00%	100.00%	100.00%
Caremark
Concentration Risk [Line Items]
Concentration risk, percent	41.00%	43.00%	43.00%	46.00%
Accredo
Concentration Risk [Line Items]
Concentration risk, percent	41.00%	39.00%	41.00%	37.00%
Optum
Concentration Risk [Line Items]
Concentration risk, percent	18.00%	18.00%	16.00%	17.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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