v3.25.4

Employee Benefit Plans - Defined Contribution Plans And Defined Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure
Expected future employer contributions, next fiscal year	$ 34
Expenses related to matching contributions	$ 82	$ 80	$ 81
U.S. Government Treasury Bonds
Defined Benefit Plan Disclosure
Investment credit term	30 years
Cash balance crediting rate as a portion of yield	8.3333%
Cash balance credit rate percentage	0.25%

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