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Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2024
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 June 30 (in millions):
Pension BenefitsOther Postretirement BenefitsAffected Line Item
in the Statements of
 Consolidated Operations
2024202320242023
Service cost$34 $31 $2 $1 Salaries and related costs
Interest cost58 55 9 11 Miscellaneous, net
Expected return on plan assets(69)(63)(1)(1)Miscellaneous, net
Amortization of unrecognized (gain) loss 5 2 (6)(10)Miscellaneous, net
Amortization of prior service credit— — (24)(28)Miscellaneous, net
Other— 1 — — Miscellaneous, net
Total$28 $26 $(20)$(27)
The Company's net periodic benefit cost includes the following components for the six months ended June 30 (in millions):
Pension BenefitsOther Postretirement BenefitsAffected Line Item
in the Statements of
 Consolidated Operations
2024202320242023
Service cost$68 $62 $3 $2 Salaries and related costs
Interest cost115 110 19 21 Miscellaneous, net
Expected return on plan assets(138)(126)(1)(1)Miscellaneous, net
Amortization of unrecognized (gain) loss 10 4 (13)(19)Miscellaneous, net
Amortization of prior service credit— — (47)(56)Miscellaneous, net
Other— 1 — — Miscellaneous, net
Total$55 $51 $(39)$(53)