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Financial Instruments - Narrative (Details) € in Millions, ¥ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2024 CNY (¥)
Derivative [Line Items] |  |  |  |  |
Net investment losses on equity securities | $ (49.5) | $ (20.2) | $ (410.7) |  |
Unfunded commitments to invest in venture capital funds | $ 899.0 |  |  |  |
Unfunded commitments to invest in venture capital funds, anticipated payment period | 10 years |  |  |  |
Proceeds from sales of available-for-sale investments | $ 98.0 | 145.6 | $ 132.9 |  |
Accounts receivable derecognized | 421.6 | 431.9 |  |  |
Long-term debt | 29,474.0 | 19,104.6 |  |  |
Foreign currency-denominated notes, designated as hedge | $ 5,340.0 | 5,670.0 |  |  |
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 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative liability, notional amount | $ 218.0 |  |  |  |
Swap Swiss Francs to USD |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative liability, notional amount | 402.0 |  |  |  |
Sell Euro |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative asset, notional amount | € |  |  |  | € 7,590 |
Sell Chinese Yuan |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative asset, notional amount | ¥ |  |  |  |  | ¥ 4,200
Foreign Currency Denominated Debt |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Long-term debt | $ 6,030.0 | $ 7,140.0 |  |  |

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