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Employee Benefit Plans (Schedule of Pension Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Net actuarial loss (gain) arising during the period $ 645 $ 971 $ (1,291)
Current year prior service cost 36 19 131
Amortization of prior service credit 174 568 $ (129)
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Net actuarial loss (gain) arising during the period 642 935  
Amortization of actuarial gain (loss) (20) 378  
Current year prior service cost 36 19  
Amortization of prior service credit 170 158  
Net settlement and curtailment (12) (3)  
Business combinations and divestitures 9 0  
Other (8) 52  
Total recognized in other comprehensive income (loss) 817 1,539  
Net Recognized In Net Periodic Benefit Cost And Other Comprehensive Income Loss $ (493) $ (15)