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royalty tier [Axis] Entity File Number Entity File Number REVENUES Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Federal Current Federal Tax Expense (Benefit) Weighted-average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Restructuring Plan [Domain] Restructuring Plan [Domain] Total financial assets carried at fair value Assets, Fair Value Disclosure Percent of royalty on net sale Percent of royalty on net sale Percent of royalty on net sale. Name Forgone Recovery, Individual Name Aggregate intrinsic value, exercisable at end of the year Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Document Period End Date Document Period End Date Accredo Health, Incorporated Accredo Health, Incorporated [Member] Accredo Health, Incorporated Deferred taxes Increase (Decrease) in Deferred Income Taxes Affiliates of CVS Health Corporation Affiliates of CVS Health Corporation [Member] Affiliates of CVS Health Corporation [Member] Investments and Investment Impairment Investment, Policy [Policy Text Block] Other, net Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total lease payments Lessee, Operating Lease, Liability, to be Paid Awards outstanding at beginning of period (in shares) Awards outstanding at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Change relating to prior year provision Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Collaborative arrangement, rights and obligations, maximum aggregate commercial milestone payments Collaborative Arrangement, Rights And Obligations, Maximum Aggregate Commercial Milestone Payments Collaborative Arrangement, Rights And Obligations, Maximum Aggregate Commercial Milestone Payments Adjustment to Compensation: Adjustment to Compensation [Axis] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Accounts Receivable Accounts Receivable [Member] Non-cash investing activity: Additional Cash Flow Elements, Investing Activities [Abstract] Document Transition Report Document Transition Report Schedule of Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Litigation Case [Domain] Litigation Case [Domain] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Customer [Domain] Customer [Domain] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Accumulated
Deficit Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Basic (in shares) Weighted-average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net unrealized gains (losses) on available-for-sale debt securities, tax impact OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax In an Unrealized Loss Position 12 Months or Greater Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss TSR-Based Restricted Stock Units TSR-Based Restricted Stock Units [Member] TSR-Based Restricted Stock Units Restricted stock units Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Construction in progress Construction in Progress [Member] In an Unrealized Loss Position Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Entity Filer Category Entity Filer Category Beginning balance Ending balance Restructuring Reserve Remaining performance obligation Remaining performance obligation Revenue, Remaining Performance Obligation, Amount 2024 Restructuring Plan 2024 Restructuring Plan [Member] 2024 Restructuring Plan Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Company Selected Measure Name Company Selected Measure Name