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Fair Value Measurements (Details) € in Millions, £ in Millions, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 19, 2019 USD ($) | Aug. 19, 2019 GBP (£) | Dec. 31, 2021 USD ($) units | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 EUR (€)
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net |  |  | $ 24 | $ 29 |  |
Derivative, Notional Amount |  |  | 9,378 | 11,349 |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax |  |  | (208) | 77 |  |
Cost of Goods and Services Sold |  |  | 3,711 | 3,465 | $ 3,116 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax |  |  | 38 | 60 |  |
Interest Expense |  |  | 341 | 361 | 473 |
Other Operating Income (Expense), Net |  |  | (218) | (362) | (358) |
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax |  |  | 137 | 19 |  |
Foreign exchange (gain) loss |  |  | (27) | (32) | (358) |
Derivative Asset, Fair Value, Gross Asset |  |  | 394 | 242 |  |
Derivative Liability, Fair Value, Gross Liability |  |  | 1,071 | 1,262 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity Securities, FV-NI |  |  | 10 | 414 |  |
Derivative Asset |  |  | 169 | 109 |  |
Licensing arrangements, asset |  |  | (114) | (218) |  |
Business Combination, Contingent Consideration, Liability |  |  | 486 | 196 | 354 |
Cash |  |  | 293 | 150 |  |
Proceeds from royalty rights transfer |  |  | 0 | 0 | 256 |
Debt Instrument, Fair Value Disclosure |  |  | 10,196 | 10,774 |  |
Other Noncurrent Liabilities [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Licensing arrangements, liability |  |  | 143 | 253 |  |
November 2019 Aggregate Offering [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Long-term Debt |  |  |  |  | 1,000 | € 900
December 2027 Notes [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Long-term Debt |  |  | $ 1,021 | 1,105 |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 0.625% |  |  |
Licensing arrangement assets (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  | 15.00% |  |  |
Euro-denominated outstanding debt [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure |  |  | $ 1,020 | 1,118 |  |
BTG Acquisition [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Proceeds from royalty rights transfer |  |  |  |  | 256 |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Licensing arrangements, asset |  |  | (246) |  |  |
Licensing arrangements, liability |  |  | 281 |  |  |
Fair Value, Measurements, Recurring [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Money Market Funds, at Carrying Value |  |  | 1,632 | 1,584 |  |
Equity Securities, FV-NI |  |  | 10 | 414 |  |
Derivative Asset |  |  | 394 | 242 |  |
Licensing arrangements, asset |  |  | (246) | (365) |  |
Assets, Fair Value Disclosure |  |  | 2,282 | 2,605 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  |  | 1,071 | 1,262 |  |
Business Combination, Contingent Consideration, Liability |  |  | 486 | 196 |  |
Licensing arrangements, liability |  |  | 281 | 407 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  |  | 1,838 | 1,865 |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Money Market Funds, at Carrying Value |  |  | 1,632 | 1,584 |  |
Equity Securities, FV-NI |  |  | 10 | 414 |  |
Derivative Asset |  |  | 0 | 0 |  |
Licensing arrangements, asset |  |  | 0 | 0 |  |
Assets, Fair Value Disclosure |  |  | 1,642 | 1,998 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  |  | 0 | 0 |  |
Business Combination, Contingent Consideration, Liability |  |  | 0 | 0 |  |
Licensing arrangements, liability |  |  | 0 | 0 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  |  | 0 | 0 |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Money Market Funds, at Carrying Value |  |  | 0 | 0 |  |
Equity Securities, FV-NI |  |  | 0 | 0 |  |
Derivative Asset |  |  | 394 | 242 |  |
Licensing arrangements, asset |  |  | 0 | 0 |  |
Assets, Fair Value Disclosure |  |  | 394 | 242 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  |  | 1,071 | 1,262 |  |
Business Combination, Contingent Consideration, Liability |  |  | 0 | 0 |  |
Licensing arrangements, liability |  |  | 0 | 0 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  |  | 1,071 | 1,262 |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Money Market Funds, at Carrying Value |  |  | 0 | 0 |  |
Equity Securities, FV-NI |  |  | 0 | 0 |  |
Derivative Asset |  |  | 0 | 0 |  |
Licensing arrangements, asset |  |  | (246) | (365) |  |
Assets, Fair Value Disclosure |  |  | 246 | 365 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure |  |  | 0 | 0 |  |
Business Combination, Contingent Consideration, Liability |  |  | 486 | 196 |  |
Licensing arrangements, liability |  |  | 281 | 407 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure |  |  | 767 | 603 |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Licensing arrangement assets (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Licensing arrangements, asset |  |  | (163) |  | (518) |
Fair Value of Assets Acquired |  |  |  | (175) |  |
Proceeds from Royalties Received |  |  | 44 | 22 |  |
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option |  |  | 246 | 365 |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Licensing arrangement liabilities (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Licensing arrangements, liability |  |  | 281 | 407 | 571 |
Fair Value of Assets Acquired |  |  |  | (186) |  |
Proceeds from Royalties Received |  |  |  | 22 |  |
Payments for Royalties |  |  | (166) |  |  |
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option |  |  | 41 |  |  |
Designated as Hedging Instrument [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments in Hedges, Assets, at Fair Value |  |  | 352 | 162 |  |
Derivative Instruments in Hedges, Liabilities, at Fair Value |  |  | 1,049 | 1,191 |  |
Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments in Hedges, Liabilities, at Fair Value |  |  | $ 1,011 | 1,094 |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Forward Currency Contracts, Time to Maturity | units |  |  | 60 |  |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Other Noncurrent Assets [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments in Hedges, Assets, at Fair Value |  |  | $ 169 | 109 |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Other Current Liabilities [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments in Hedges, Liabilities, at Fair Value |  |  | 32 | 44 |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Other Noncurrent Liabilities [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments in Hedges, Liabilities, at Fair Value |  |  | 6 | 54 |  |
Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments in Hedges, Assets, at Fair Value |  |  | 183 | 53 |  |
Not Designated as Hedging Instrument [Member] | Other Nonoperating Income (Expense) [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments |  |  | (16) | 73 | (343) |
Foreign Currency Transaction Gain (Loss), before Tax |  |  | (12) | (105) | (15) |
Foreign exchange (gain) loss |  |  | (27) | (32) | (358) |
Net gain (loss) from foreign currency transaction exposures |  |  | 12 | 105 | 15 |
Not Designated as Hedging Instrument [Member] | BTG Acquisition [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Payments for Hedge, Investing Activities |  |  |  | 294 |  |
Not Designated as Hedging Instrument [Member] | BTG Acquisition [Member] | Other Nonoperating Income (Expense) [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments |  |  |  | (323) |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, Notional Amount |  |  | 3,892 | 4,946 |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Other Current Liabilities [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value |  |  | 22 | 71 |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value |  |  | $ 42 | 79 |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | BTG Acquisition [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, Cash Received on Hedge | $ 4,303 | £ 3,312 |  |  |  |
Weighted Average (Member) | Licensing arrangement assets (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  | 15.00% |  |  |
Weighted Average (Member) | Licensing arrangement liabilities (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  | 13.00% |  |  |
Minimum [Member] | Licensing arrangement liabilities (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  | 12.00% |  |  |
Maximum [Member] | Licensing arrangement liabilities (Member) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  | 15.00% |  |  |
Cash Flow Hedging [Member] | Foreign Exchange Contract (Member) | Cost of Sales [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months |  |  | $ 127 |  |  |
Cash Flow Hedging [Member] | Interest Rate Contract [Member] | Interest Expense [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net |  |  | (5) |  |  |
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, Notional Amount |  |  | 3,996 | 4,531 |  |
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Cost of Sales [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax |  |  | (268) | 99 | (150) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax |  |  | 60 | (22) | 34 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax |  |  | (208) | 77 | (117) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax |  |  | 54 | 83 | 73 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax |  |  | 12 | 19 | 16 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax |  |  | (42) | (64) | (56) |
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] | Interest Expense [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax |  |  | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax |  |  | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax |  |  | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax |  |  | 5 | 5 | 3 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax |  |  | (1) | (1) | (1) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax |  |  | 4 | 4 | 2 |
Net Investment Hedging [Member] | Foreign Exchange Contract (Member) | Interest Expense [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative Used in Net Investment Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net |  |  | 3 |  |  |
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, Notional Amount |  |  | 493 | 1,004 |  |
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract (Member) | Interest Expense [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax |  |  | 56 | 37 | (68) |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax |  |  | (13) | (8) | 15 |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax |  |  | 43 | 29 | (53) |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax |  |  | (13) | 24 | 43 |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), after Reclassification, Tax |  |  | 3 | 5 | 10 |
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax |  |  | (10) | 19 | 33 |
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign currency denominated in debt [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, Notional Amount |  |  | 997 | 868 |  |
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign currency denominated in debt [Member] | Interest Expense [Member] |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax |  |  | 82 | (89) | (14) |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax |  |  | (19) | 21 | 3 |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax |  |  | 64 | (68) | (11) |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax |  |  | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), after Reclassification, Tax |  |  | 0 | 0 | 0 |
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax |  |  | $ 0 | $ 0 | $ 0 |

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