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Employee Benefit Plans - Deferred Compensation Plans (Details) - Deferred Compensation Plans - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Benefit obligation $ 4,812 $ 4,507 $ 4,158
Interest expense $ 370 $ 341 $ 272