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[Member] Dermira, Inc. [Member] 1-5 Years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Revenue, information used to determine revenue recognized, change in accounting estimate, percent Revenue, Information Used To Determine Revenue Recognized, Change In Accounting Estimate, Percent Revenue, Information Used To Determine Revenue Recognized, Change In Accounting Estimate, Percent Liabilities and Equity Liabilities and Equity [Abstract] Deferred tax liabilities Deferred Income Tax Liabilities, Net Loxo Oncology, Inc. Loxo Oncology, Inc. [Member] Loxo Oncology, Inc. 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Junshi Biosciences [Member] Junshi Biosciences Earnings from discontinued operations - diluted (usd per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Document Quarterly Report Document Quarterly Report Evox Therapeutics Ltd. 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Interest expense Interest Expense Acquired IPR&D Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Acquired In-Process Research And Development Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Acquired In-Process Research And Development Acquisitions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Other Oncology Other Oncology [Member] Other Oncology [Member] Other Stockholders' Equity, Other Depreciation and amortization Depreciation, Depletion and Amortization Entity Filer Category Entity Filer Category Discontinued Operations Discontinued Operations [Member] Summary of the amount of unrealized gains and losses (pretax) recognized in our statement of operations for equity securities Unrealized Gain (Loss) on Investments [Table Text Block] Product and Service [Axis] Product and Service [Axis] Entity Address, City or Town Entity Address, City or Town Effect from interest rate contracts Change in 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[Member] Loss Contingencies [Table] Loss Contingencies [Table] Ownership [Domain] Ownership [Domain] Carrying Amount Reported Value Measurement [Member] Revenue Revenue from Contract with Customer [Text Block] Equity investments without readily determinable fair values Equity Securities without Readily Determinable Fair Value, Amount Total equity Balance at beginning of period Balance at end of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Basis of Presentation and Change in Accounting Principle Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Humulin® Humulin [Member] Humulin [Member] Revenue (Note 2) Revenue Revenues Class of Stock [Axis] Class of Stock [Axis] Income taxes (Note 8) Tax benefit Income Tax Expense (Benefit) Jardiance Jardiance [Member] Jardiance [Member] Humalog® Humalog [Member] Humalog [Member] AOCI Attributable to Noncontrolling Interest AOCI Attributable to Noncontrolling Interest [Member] Number of patents ruled unpatentable Loss Contingency, Number Of Patents Ruled Unpatentable Loss Contingency, Number Of Patents Ruled Unpatentable Earnings per share - diluted (usd per share) Earnings Per Share, Diluted Senior Notes Due April 2050 Senior Notes Due May 2050 [Member] Senior Notes Due May 2050 [Member] Payments to acquire businesses Payments to Acquire Businesses, Gross Disarm Therapeutics, Inc. [Member] Disarm Therapeutics, Inc. [Member] Disarm Therapeutics, Inc. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44 -Subparagraph 2 AbCellera Biologics Inc. AbCellera Biologics Inc. [Member] AbCellera Biologics Inc. [Member] Zyprexa® Zyprexa [Member] Zyprexa [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Short-term investments (Note 7) Short-term Investments