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Hedging Activities and Fair Value Measurements (Details) € in Millions, $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 USD ($) units | Mar. 31, 2020 USD ($) | Mar. 31, 2021 EUR (€) units | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax | $ 165 | $ 248 |  | $ 36 | $ 173
Derivative, Notional Amount | 11,969 |  |  | 11,349 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 133 | 92 |  |  |
Cost of Goods and Services Sold | 894 | 806 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax | 4 | 17 |  |  |
Interest Expense | 82 | 88 |  |  |
Other Operating Income (Expense), Net | (37) | 36 |  |  |
Net currency exchange gain (loss) | (2) | (7) |  |  |
Derivative Asset, Fair Value, Gross Asset | 399 |  |  | 242 |
Derivative Liability, Fair Value, Gross Liability | 1,151 |  |  | 1,262 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity Securities, FV-NI | 213 |  |  | 414 |
Derivative Asset | 209 |  |  | 109 |
Licensing arrangements, asset | 191 |  |  | 218 |
Business Combination, Contingent Consideration, Liability | 398 |  |  | 196 |
Licensing arrangements, liability | 208 |  |  | 253 |
Cash | 257 |  |  | 150 |
Non-cash impact of transferred royalty rights | (22) | (23) |  |  |
Debt Instrument, Fair Value Disclosure | 10,225 |  |  | 10,774 |
December 2027 Notes [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Long-term Debt | $ 1,055 |  | € 900 | 1,105 |
Debt Instrument, Interest Rate, Stated Percentage | 0.625% |  | 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% |  | 15.00% |  |
Proceeds from Royalties Received | $ (22) |  |  |  |
Non-cash impact of transferred royalty rights | (22) |  |  |  |
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option | 16 |  |  |  |
Licensing arrangement liabilities [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Non-cash impact of transferred royalty rights | (22) |  |  |  |
Payments for Royalties | (42) |  |  |  |
Increase (Decrease) in Fair Value Adjustments on Other Assets (Liabilities) Carried at Fair Value under Fair Value Option | 13 |  |  |  |
Euro-denominated outstanding debt [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt Instrument, Fair Value Disclosure | 1,067 |  |  | 1,118 |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Licensing arrangements, asset | 338 |  |  |  |
Licensing arrangements, liability | 356 |  |  |  |
Fair Value, Measurements, Recurring [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Money Market Funds, at Carrying Value | 1,759 |  |  | 1,584 |
Equity Securities, FV-NI | 213 |  |  | 414 |
Derivative Asset | 399 |  |  | 242 |
Licensing arrangements, asset | 338 |  |  | 365 |
Assets, Fair Value Disclosure | 2,708 |  |  | 2,605 |
Derivative Liability | 1,151 |  |  | 1,262 |
Business Combination, Contingent Consideration, Liability | 398 |  |  | 196 |
Licensing arrangements, liability | 356 |  |  | 407 |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 1,906 |  |  | 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 | 1,759 |  |  | 1,584 |
Equity Securities, FV-NI | 213 |  |  | 414 |
Derivative Asset | 0 |  |  | 0 |
Licensing arrangements, asset | 0 |  |  | 0 |
Assets, Fair Value Disclosure | 1,971 |  |  | 1,998 |
Derivative Liability | 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 | 399 |  |  | 242 |
Licensing arrangements, asset | 0 |  |  | 0 |
Assets, Fair Value Disclosure | 399 |  |  | 242 |
Derivative Liability | 1,151 |  |  | 1,262 |
Business Combination, Contingent Consideration, Liability | 0 |  |  | 0 |
Licensing arrangements, liability | 0 |  |  | 0 |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 1,151 |  |  | 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 | 338 |  |  | 365 |
Assets, Fair Value Disclosure | 338 |  |  | 365 |
Derivative Liability | 0 |  |  | 0 |
Business Combination, Contingent Consideration, Liability | 398 |  |  | 196 |
Licensing arrangements, liability | 356 |  |  | 407 |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 754 |  |  | 603 |
Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative Instruments in Hedges, Assets, at Fair Value | 332 |  |  | 162 |
Derivative Instruments in Hedges, Liabilities, at Fair Value | 1,094 |  |  | 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 | $ 1,044 |  |  | 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 |  | 60 |  |
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 | $ 122 |  |  | 53 |
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 | 209 |  |  | 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 | 22 |  |  | 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 | 28 |  |  | 54 |
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 | (1) | (15) |  |  |
Foreign Currency Transaction Gain (Loss), before Tax | (1) | 8 |  |  |
Net currency exchange gain (loss) | (2) | (7) |  |  |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Notional Amount | 5,296 |  |  | 4,946 |
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 | 67 |  |  | 79 |
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 | $ 57 |  |  | 71 |
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% |  | 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% |  | 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% |  | 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% |  | 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 | $ 79 |  |  |  |
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 | 4,741 |  |  | 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 | 171 | 119 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax | (39) | (27) |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 133 | 92 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | (6) | (23) |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax | 1 | 5 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax | (5) | (18) |  |  |
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Contract [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax | (28) |  |  | (29) |
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 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax | 0 | 0 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 0 | 0 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 1 | 1 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax | 0 | 0 |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax | 1 | 1 |  |  |
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 | 9 |  |  |  |
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Notional Amount | 1,004 |  |  | 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 | 52 | 22 |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax | (12) | (26) |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax | 40 | (4) |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, before Tax | (6) | (6) |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, Tax | 1 | 1 |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, after Tax | (5) | (5) |  |  |
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | foreign currency denominated in debt [Member] |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |
Derivative, Notional Amount | 927 |  |  | $ 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 | 48 | 24 |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax | (11) | (2) |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, after Tax | 37 | 22 |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, before Tax | 0 | 0 |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, Tax | 0 | 0 |  |  |
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, after Tax | $ 0 | $ 0 |  |  |

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