6.375% notes due 2037 (6.375% 2037 Notes) 6.375% Notes Due 2037 [Member] Six Point Three Seven Five Percent Notes Due 2037 [Member] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Interest-bearing securities Investment, Policy [Policy Text Block] Schedule of Available-For-Sale Investments Debt Securities, Available-for-Sale [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Tabular List, Table Tabular List [Table Text Block] Current portion of long-term debt Long-Term Debt, Current Maturities [Member] Long-Term Debt, Current Maturities [Member] Recently adopted accounting pronouncements and Recent accounting pronouncements not yet adopted New Accounting Pronouncements, Policy [Policy Text Block] 3.625% Notes Due In 2024 3.625% Notes Due In 2024 [Member] Three Point Six Two Five Percent Notes Due 2024 [Member] 4.563% notes due 2048 (4.563% 2048 Notes) 4.563% Notes Due 2048 [Member] Four Point Five Six Three Percent Notes Due Two Zero Four Eight [Member] Liabilities incurred Business Combination, Consideration Transferred, Liabilities Incurred Term loan credit agreement, total amount Term Loan Credit Agreement, Total Amount Term Loan Credit Agreement, Total Amount Research and development tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Other Other Assets, Miscellaneous, Current Carrying value with discontinued hedging relationships Hedged Liability, Discontinued Fair Value Hedge Hedged Liability, Discontinued Fair Value Hedge Revenues Revenue from Contract with Customer [Text Block] Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Total current provision Current Income Tax Expense (Benefit) Variable Rate Component Three Variable Rate Component Three [Member] Variable Rate Component Three Identifiable intangible assets Identifiable Intangible Assets Gross Identifiable intangible assets gross. Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Unamortized bond discounts, premiums and issuance costs, net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Other assets Increase (Decrease) in Other Operating Assets Principles of consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Foreign-derived intangible income Effective Income Tax Rate Reconciliation, FDII, Amount Stock options Share-based Payment Arrangement, Option [Member] Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Debt Deferred Tax Liabilities, Financing Arrangements Effective Tax Rate Effective Income Tax Rate Reconciliation, Percent [Abstract] Income taxes expense (benefit) for unrealized gains and losses for cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Dividends declared on common stock Dividends, Common Stock, Cash Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common stock and additional paid-in capital, shares authorized (in shares) Common Stock, Shares Authorized 5.50% £475 million notes due 2026 (5.50% 2026 pound sterling Notes) 5.50% 2026 pound sterling Notes Five Point Five Zero Percent Pound Sterling Notes Due 2026 [Member] Five Point Five Zero Percent Pound Sterling Notes Due 2026 [Member] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] XGEVA XGEVA [Member] XGEVA. Cover [Abstract] Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Number of litigation cases Loss Contingency, Number Of Litigation Cases Loss Contingency, Number Of Litigation Cases Maximum Maximum [Member] Finite-lived intangible asset, useful life Finite-Lived Intangible Asset, Useful Life Weighted-average exercise price, exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price U.S. repatriation tax commitments, number of annual installments Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Number Of Annual Installments Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Number Of Annual Installments Term Loan Credit Agreement Term Loan Credit Agreement [Member] Term Loan Credit Agreement Other intangible assets, net Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net 3.35% notes due 2032 (3.35% 2032 Notes) 3.35% Notes Due 2032 [Member] 3.35% Notes Due 2032 Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] 3.20% notes due 2027 (3.20% 2027 Notes) 3.20% notes Due 2027 [Member] Three Point Two Zero Notes Due 2027 [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Business Combination, Pro Forma Information, Nonrecurring Adjustment, Inventory, Fair Value Adjustment Business Combination, Pro Forma Information, Nonrecurring Adjustment, Inventory, Fair Value Adjustment [Member] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Total income before income taxes Total income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Hedging adjustments on discontinued hedging relationships Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease) 2.77% notes due 2053 (2.77% 2053 Notes) 2.77% Notes Due 2053 [Member] 2.77% Notes Due 2053 Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Schedule of Income Taxes Paid (Net of Refunds Received Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] 5.507% notes due 2026 (5.507% 2026 Notes) 5.507% 2026 Notes 5.507% notes due 2026 [Member] 5.507% notes due 2026 Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Accrued liabilities Operating Lease, Liability, Current 2.00% Senior Notes Due 2026 2.00% Senior Notes Due 2026 [Member] 2.00% Senior Notes Due 2026 [Member] Capitalized software Software and Software Development Costs [Member] Document Fiscal Period Focus Document Fiscal Period Focus Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Schedule of Supplemental Pro Forma Financial Information Business Combination, Pro Forma Information [Table Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Investment, Name [Domain] Investment, Name [Domain] Stock-based compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Acquisitions Business Combination [Policy Text Block] Term loan due October 2026 Term Loan Due October 2026 [Member] Term Loan Due October 2026 Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Tax Years 2013-2015 Tax Years 2013-2015 [Member] Tax Years 2013-2015 Issuance of common stock in connection with equity award programs (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Repayments of term loan credit agreement Repayments Of Term Loan Credit Agreement Repayments Of Term Loan Credit Agreement Entity Address, City or Town Entity Address, City or Town AstraZeneca PLC AstraZeneca PLC [Member] AstraZeneca PLC Net deferred income tax assets Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] RSUs Restricted Stock Units (RSUs) [Member] 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes) 2.00% 2026 euro Notes 2.00% Notes Due 2026 [Member] Two Percent Euro Notes Due Two Thousand Twenty Six [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Consideration transferred Business Combination, Consideration Transferred Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities 2.60% notes due 2026 (2.60% 2026 Notes) 2.60% 2026 Notes 2.60% Notes Due 2026 [Member] Two Point Six Zero Notes Due Two Zero Two Six [Member] Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Number of notices consolidated in court Number Of Notices Consolidated Number Of Notices Consolidated Balance unexercised at beginning of period (in shares) Balance unexercised at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Consideration transferred for replacement awards Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Value Of Acquirer Replacement Awards Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Value Of Acquirer Replacement Awards Common stock and additional paid-in capital, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Available-for-sale investments Available For Sales Investments [Member] Available for sales investments. Schedule of Disaggregation of Revenue by Product and by Geographic Area Disaggregation of Revenue [Table Text Block] Current provision: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Business Nature Of Operations [Policy Text Block] Describes the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). Disclosures about the nature of operations need not be quantified; relative importance could be conveyed by use of terms such as "predominately", "about equally", or "major and other". This element is also referred to as "Business Description". Contingent future milestone payments Revenue Recognition, Milestone Method, Potential Future Milestone payments Revenue Recognition, Milestone Method, Potential Future Milestone Payments Income taxes payable Accrued Income Taxes, Current KYPROLIS KYPROLIS [Member] Kyprolis [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Forward interest rate contracts Forward Interest Rate Contract [Member] Forward Interest Rate Contract [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] 4.05% notes due 2029 (4.05% 2029 Notes) 4.05% Notes Due 2029 [Member] 4.05% Notes Due 2029 Maturities of Long-term Debt [Abstract] Maturities of Long-Term Debt [Abstract] Number of additional term extension options Line Of Credit Facility, Number Of Renewal Options Line Of Credit Facility, Number Of Renewal Options Effective interest rate on note Debt Instrument, Interest Rate, Effective Percentage Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Tax incentive grant Effective Income Tax Rate Reconciliation, Tax Incentive Grant, Percent Effective Income Tax Rate Reconciliation, Tax Incentive Grant, Percent Provision for income taxes Provision for income taxes Total provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Act 52 - income tax Effective Income Tax Rate Reconciliation, Act 52, Income Tax Affects, Percent Effective Income Tax Rate Reconciliation, Act 52, Income Tax Affects, Percent Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Derivatives designated as hedging instruments: Designated as Hedging Instrument [Member] Sales return provisions as a percentage of gross product sales (less than) Sales Return Provisions As Percentage Of Product Sales Sales Return Provisions As Percentage Of Product Sales Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Hedging Relationship [Axis] Hedging Relationship [Axis] Property, plant and equipment, gross Property, Plant and Equipment, Gross Kyowa Kirin Co. Ltd. Kyowa Kirin Co. Ltd. [Member] Kyowa Kirin Co. Ltd. Research and development Research and Development Expense, Software (Excluding Acquired in Process Cost) Finite-lived intangible assets, fair value disclosure Finite-Lived Intangible Assets, Fair Value Disclosure Notes payable Notes Payable, Other Payables [Member] Other income (expense): Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Allowance for doubtful accounts [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Total Long Term Debt Maturities Repayments Of Principal Net Total amount of long-term debt following the date of the latest balance sheet presented in the financial statements which may include maturities of long-term debt, sinking fund requirements and other securities redeemable of fixed or determinable prices and dates. Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Buildings and improvements Building and Building Improvements [Member] U.S. payments (federal and state) Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Term loan credit agreement, total borrowed Term Loan Credit Agreement, Total Borrowed Term Loan Credit Agreement, Total Borrowed Weighted-average remaining contractual life (in years), vested or expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Manufacturing equipment Manufacturing Equipment [Member] Manufacturing equipment. Contingencies Commitments and Contingencies, Policy [Policy Text Block] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Units outstanding (in shares) Balance nonvested at beginning of period (in shares) Balance nonvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] TAVNEOS, US Market TAVNEOS, US Market [Member] TAVNEOS, US Market 3.00% notes due 2029 (3.00% 2029 Notes) 3.00% Notes Due 2029 [Member] 3.00% Notes Due 2029 Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Goodwill increase Goodwill, Period Increase (Decrease) Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Proceeds from sales of marketable securities Proceeds from Sale of Debt Securities, Available-for-Sale Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Useful life (in years) Property, Plant and Equipment, Useful Life Total stock-based compensation expense, net of tax Stock Based Compensation Expense Net of Tax Total stock-based compensation expense, net of tax. Subsequent Event Subsequent Event [Member] Schedule of Stock Option Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation and amortization charges associated with property, plant and equipment Depreciation Money market mutual funds Money Market Funds [Member] Weighted-average exercise price, vested or expected to vest (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Derivative liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Sublease income Sublease Income Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Product sales Product sales Product [Member] Number of reportable segments Number of Reportable Segments Awards accelerated and settled Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid Amortization of step-up to fair value of inventory acquired Amortization of Inventory, Fair Value Step Up Amortization of Inventory, Fair Value Step Up Entity Address, State or Province Entity Address, State or Province BLINCYTO BLINCYTO [Member] BLINCYTO Euro Member Countries, Euro Euro Member Countries, Euro Foreign currency cash flow hedge gain (loss) to be reclassified Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months 5.25% notes due 2030 (5.25% 2030 Notes) 5.25% 2030 Notes 5.25% Notes Due 2030 [Member] 5.25% Notes Due 2030 Total current liabilities Liabilities, Current Profit and loss share of expenses Profit and loss share of expenses Profit and loss share of expenses Individual: Individual [Axis] Defined contribution plan expenses Defined Contribution Plan, Cost Equity method investment, aggregate cost Equity Method Investment, Aggregate Cost Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Dividends paid Payments of Ordinary Dividends, Common Stock Document Annual Report Document Annual Report Research and Development Expense Research and Development Expense [Member] Entities [Table] Entities [Table] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Accrued sales incentives and allowance Increase (Decrease) In Sales Incentives And Allowance Increase (Decrease) In Sales Incentives And Allowance Repayment of debt Repayments of debt Repayments of Long-Term Debt Common stock, shares issued, not disclosed Common Stock, Shares Issued, Not Disclosed Common Stock, Shares Issued, Not Disclosed Entity Interactive Data Current Entity Interactive Data Current NOL and credit carryforwards Deferred Tax Assets Tax Acquired Net Operating Loss And Credit Carry Forwards The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from acquired net operating loss and credit carryforwards and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Revenues Revenue from Contract with Customer [Policy Text Block] Aggregate intrinsic value, exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Commercial paper Commercial Paper Balance at beginning of period Balance at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] UPLIZNA UPLIZNA [Member] UPLIZNA Schedule of Weighted-Average Assumptions Share Based Compensation Arrangement By Share Based Payment Award Performance Units Fair Value Assumptions [Table Text Block] Tabular disclosure of weighted-average assumptions used and the resulting weighted-average grant date fair value of performance units. Other noncurrent assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Aggregate Contractual Maturities of Debt Obligations Schedule of Maturities of Long-Term Debt [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 5.75% notes due 2063 (5.75% 2063 Notes) 5.75% 2063 Notes 5.75% Notes Due 2063 [Member] 5.75% Notes Due 2063 Schedule of Fair Value of Derivatives Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Work in process Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Other current assets and accrued liabilities Accrued Liabilities Disclosure [Text Block] Carrying values as of the balance sheet of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulated over time and for which invoices have not yet been received or will not be rendered. Federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Investments Deferred Tax Assets, Equity Method Investments Long-term debt Total long-term debt Long-Term Debt, Excluding Current Maturities Total estimated amortization of finite-lived intangible assets for 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Pillar Two minimum tax Effective Income Tax Rate Reconciliation, Pillar Two Minimum Tax, Amount Effective Income Tax Rate Reconciliation, Pillar Two Minimum Tax, Amount Expiration in tax years between 2025 and 2045 Expiration In Tax Years Between 2025 And 2045 [Member] Expiration In Tax Years Between 2025 And 2045 Gross carrying amounts Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Deferred income tax assets: Deferred Tax Assets, Net [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Repatriation tax on proposed additional tax Repatriation tax on proposed additional tax Repatriation tax on proposed additional tax Accumulated other comprehensive loss AOCI AOCI Attributable to Parent [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Derivative instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] 2.80% notes due 2041 (2.80% 2041 Notes) 2.80% Notes Due 2041 [Member] 2.80% Notes Due 2041 Fair Value as of Grant Date Award Grant Date Fair Value Income taxes expense or (benefit) for unrealized gains and losses for cash flow hedges and related reclassifications Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax 3.375% notes due 2050 (3.375% 2050 Notes) 3.375% Notes Due 2050 [Member] Three Point Three Seven Five Percent Notes Due 2050 [Member] Variable Rate Component [Domain] Variable Rate Component [Domain] Variable Rate Component [Domain] ROW Rest Of World [Member] Rest Of World [Member] NOL carryforwards available to reduce income taxes Operating Loss Carryforwards Changes in unrecognized tax benefits (primarily interest) Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Schedule of Borrowings Schedule of Long-Term Debt Instruments [Table Text Block] 5.25% notes due 2033 (5.25% 2033 Notes) 5.25% 2033 Notes 5.25% notes due 2033 [Member] 5.25% notes due 2033 Units granted (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Equity investments Equity investments, policy [Policy Text Block] Disclosure of the policy for investments in equity securities that are publicly traded and that do not have a readily determinable fair value. Total operating expenses Costs and Expenses Units, forfeited (in shares) Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Total unrecognized compensation cost related to nonvested awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Aranesp Aranesp [Member] Aranesp. Deferred income taxes Deferred Income Taxes and Tax Credits Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Other notes due 2097 Other Notes Due 2097 [Member] Other Notes Due 2097 [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Weighted-average remaining contractual life (in years), unexercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Schedule of Other Intangible Assets Schedule Of Intangible Assets [Table Text Block] Tabular disclosure of finite-lived and indefinite-lived identifiable intangible assets. 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