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Financial Instruments (Narrative) (Details) € in Millions, ¥ in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 28, 2023 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2023 EUR (€) | Mar. 31, 2023 CNY (¥) | Dec. 31, 2022 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Net investment losses on equity securities |  | $ 13,700,000 | $ 425,400,000 |  |  |
Unfunded commitments to invest in venture capital funds |  | $ 950,000,000 |  |  |  |
Unfunded commitments to invest in venture capital funds, anticipated payment period |  | 10 years |  |  |  |
Percentage of nonperforming assets |  | 99.00% |  |  |  |
Accounts receivable derecognized |  | $ 423,400,000 |  |  |  | $ 422,100,000
Average remaining maturity of foreign currency derivatives |  | 12 months |  |  |  |
Maximum remaining maturity of foreign currency derivatives |  | 180 days |  |  |  |
Foreign currency-denominated notes, designated as hedge |  | $ 5,580,000,000 |  |  |  | 5,450,000,000
Variable rate |  | 12.00% |  | 12.00% | 12.00% |
Losses expected to be reclassified in the next 12 months |  | $ 13,100,000 |  |  |  |
Swap U.S. Dollars to Euro |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative liability, notional amount |  | 1,020,000,000.00 |  |  |  |
Swap Swiss Francs to U.S. Dollars |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative liability, notional amount |  | 1,000,000,000 |  |  |  |
Sell Euro |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative asset, notional amount | € |  |  |  | € 1,380 |  |
Sell Chinese Yuan |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative asset, notional amount | ¥ |  |  |  |  | ¥ 1,820 |
Forward-starting interest rate swaps | Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative, notional amount |  | 1,000,000,000 |  |  |  |
Foreign Currency Denominated Debt |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Long-term debt |  | $ 6,970,000,000 |  |  |  | $ 6,830,000,000
5.0% Notes Due 2026 | Senior Notes |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 750,000,000 |  |  |  |  |
Stated interest rate | 5.00% |  |  |  |  |
4.7% Notes Due 2033 | Senior Notes |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 1,000,000,000 |  |  |  |  |
Stated interest rate | 4.70% |  |  |  |  |
4.875% Notes Due 2053 | Senior Notes |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 1,250,000,000 |  |  |  |  |
Stated interest rate | 4.875% |  |  |  |  |
4.95% Notes Due 2063 | Senior Notes |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 1,000,000,000 |  |  |  |  |
Stated interest rate | 4.95% |  |  |  |  |
Senior Notes Due 2026, 2033, 2053 And 2063 | Senior Notes |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Proceeds from issuance of debt | $ 3,960,000,000 |  |  |  |  |

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