v3.26.3
Fair Value - Narrative (Details) - Estimate of Fair Value Measurement - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Fair Value, Recurring    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Options $ 2,763 $ 3,044
Mosaic Health | Fair Value, Recurring    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Options 2,763 2,717
Liberty Dental    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Options   $ 327
Liberty Dental | Fair Value, Recurring    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Options $ 227