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EMPLOYEE BENEFIT PLANS (Tables)
9 Months Ended
Sep. 30, 2020
Retirement Benefits [Abstract]  
Components of certain benefit costs
Components of net periodic pension expense for the Company’s plans were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2020201920202019
  (in millions)
Service cost$3 $$7 $
Interest cost23 30 68 91 
Expected return on assets(36)(37)(110)(114)
Actuarial (gain) loss — 1 
Net amortization27 26 82 74 
Impact of Settlement4 — 4 — 
Net periodic pension expense$21 $21 $52 $60