XML 65 R42.htm IDEA: XBRL DOCUMENT v3.24.2
Employee Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 34 $ 31 $ 68 $ 62
Interest cost 58 55 115 110
Expected return on plan assets (69) (63) (138) (126)
Amortization of unrecognized (gain) loss 5 2 10 4
Amortization of prior service credit 0 0 0 0
Other 0 1 0 1
Total 28 26 55 51
Other Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 2 1 3 2
Interest cost 9 11 19 21
Expected return on plan assets (1) (1) (1) (1)
Amortization of unrecognized (gain) loss (6) (10) (13) (19)
Amortization of prior service credit (24) (28) (47) (56)
Other 0 0 0 0
Total $ (20) $ (27) $ (39) $ (53)