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Financial Instruments - Narrative (Details) € in Millions, ¥ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Mar. 31, 2025 EUR (€) | Mar. 31, 2025 CNY (¥) | Feb. 28, 2025 USD ($) | Dec. 31, 2024 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Net investment gains (losses) on equity securities | $ (146,700,000) | $ 16,000,000.0 |  |  |  |
Unfunded commitments to invest in venture capital funds | $ 868,000,000 |  |  |  |  |
Unfunded commitments to invest in venture capital funds, anticipated payment period | 10 years |  |  |  |  |
Proceeds from sales of available-for-sale investments | $ 41,600,000 | 24,400,000 |  |  |  |
Accounts receivable derecognized | 410,800,000 |  |  |  |  | $ 421,600,000
Foreign currency-denominated notes, designated as hedge | $ 5,540,000,000 |  |  |  |  | 5,340,000,000
Average remaining maturity of foreign currency derivatives | 12 months |  |  |  |  |
Maximum remaining maturity of foreign currency derivatives | 180 days |  |  |  |  |
Variable rate | 5.00% |  | 5.00% | 5.00% |  |
Swap U.S. Dollars to Euro |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative liability, notional amount | $ 218,000,000.0 |  |  |  |  |
Swap Swiss Francs to U.S. Dollars |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative liability, notional amount | 402,000,000 |  |  |  |  |
Sell Euro |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative asset, notional amount | € |  |  | € 6,060 |  |  |
Sell Chinese Yuan |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Derivative asset, notional amount | ¥ |  |  |  | ¥ 4,200 |  |
Senior Notes |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | $ 6,500,000,000 |  |  |  |
Foreign Currency Denominated Debt |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Long-term debt | $ 6,260,000,000 |  |  |  |  | $ 6,030,000,000.00
4.550% Notes Due 2028 | 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 |  |  |  |  | 4.55% |
4.750% Notes Due 2030 | 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 |  |  |  |  | 4.75% |
4.9% Notes Due 2032 | 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 |  |  |  |  | 4.90% |
5.1% Notes Due 2035 | 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 |  |  |  |  | 5.10% |
5.5% Notes Due 2055 | 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 |  |  |  |  | 5.50% |
5.6% Notes Due 2065 | 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 |  |  |  |  | 5.60% |

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