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Fair Value - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Mosaic Health    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Net put option fair value $ 2,717 $ 1,330
Liberty Dental    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Net put option fair value $ 327 $ 543