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Non-Consolidated Affiliates - Summary of Transactions with Affiliates (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Related Party Transactions [Abstract]    
Billings to affiliates $ 35 $ 50
Purchases from affiliates 19 $ 25
Dividend and Interest Receivable $ 7