v3.25.4

Associated companies - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Undistributed earnings of investments | $ 55 | $ 56
Maximum | Combined Investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Ownership (in percentage) | 50.00% |

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