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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2023
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Cost The Company's net periodic benefit cost includes the following components for the three months ended September 30 (in millions):
Pension BenefitsOther Postretirement BenefitsAffected Line Item
in the Statements of
 Consolidated Operations
2023202220232022
Service cost$31 $51 $$Salaries and related costs
Interest cost53 47 10 Miscellaneous, net
Expected return on plan assets(62)(76)— — Miscellaneous, net
Amortization of unrecognized (gain) loss 29 (9)(3)Miscellaneous, net
Amortization of prior service credit— (28)(28)Miscellaneous, net
Other— — Miscellaneous, net
Total$26 $53 $(26)$(21)
The Company's net periodic benefit cost includes the following components for the nine months ended September 30 (in millions):
Pension BenefitsOther Postretirement BenefitsAffected Line Item
in the Statements of
 Consolidated Operations
2023202220232022
Service cost$93 $153 $$Salaries and related costs
Interest cost163 141 31 23 Miscellaneous, net
Expected return on plan assets(188)(230)(1)(1)Miscellaneous, net
Amortization of unrecognized (gain) loss 90 (28)(10)Miscellaneous, net
Amortization of prior service credit— (84)(84)Miscellaneous, net
Other— — Miscellaneous, net
Total$77 $157 $(79)$(66)