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GENERAL INFORMATION AND OTHER FINANCIAL DATA - TRANSACTIONS WITH AFFILIATES - NARRATIVE (Details) - SI Partners - Disposal Group Held-for-sale - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | $ 3 | $ 3
Due to unconsolidated affiliates | $ 506 | $ 477

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