v3.26.1
Fair Value Measurements - Debt (Detail) - USD ($)
$ in Billions
Jun. 30, 2026
Dec. 31, 2025
Fair Value    
Fair value of debt $ 23.4 $ 22.9
Significant Other Observable Inputs (Level 2) [Member] | Estimate of Fair Value Measurement [Member]    
Fair Value    
Fair value of debt $ 22.6 $ 22.5