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Employee Pension and Other Postretirement Benefits Schedule of Amounts in AOCI to be Recongnized (Table) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax [Abstract]      
Amortization of prior service cost (credit) [1] $ (14) $ (15) $ (18)
Amortization of net actuarial loss (gain) [1] 5 2 32
Pension Benefits [Member]      
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax [Abstract]      
Prior service credit (cost)     (97)
Amortization of prior service cost (credit) 16 17 22
Net actuarial gain (loss) 475 202 384
Amortization of net actuarial loss (gain) 18 17 35
Other 9   (4)
Total changes in accumulated other comprehensive income (loss) 518 236 340
Other Benefits [Member]      
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax [Abstract]      
Amortization of prior service cost (credit) (2) (2) (4)
Net actuarial gain (loss) 26 19 103
Amortization of net actuarial loss (gain) (13) (15) (3)
Other (1)   (1)
Total changes in accumulated other comprehensive income (loss) $ 10 $ 2 $ 95
[1] These accumulated comprehensive loss components are included in the computation of net periodic benefit cost. See Note 16: Employee Pension and Other Postretirement Benefits. The tax expense recorded in stockholders' equity for the amounts reclassified from accumulated other comprehensive loss for the years ended December 31, 2024, 2023, and 2022, was $5 million, $4 million, and $12 million, respectively.