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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Schedule of Employer Contributions to Plans
Contributions to the plans were as follows:
For the Quarters Ended March 31,
(dollars in millions)20202019
Defined benefit plans$25  $22  
Defined contribution plans$30  $25  
Multi-employer pension plans$ $ 
Schedule of Defined Benefit Plans Disclosures
The following table illustrates the components of net periodic pension benefits for our defined pension and post-retirement benefit plans:
For the Quarters Ended March 31,
(dollars in millions)20202019
Service cost$ $ 
Interest cost13  17  
Expected return on plan assets(35) (39) 
Amortization of prior service credit  
Recognized actuarial net loss  
Net settlement, curtailment and special termination benefit loss —  
Net periodic pension benefit $(7) $(11) 
Schedule of Multiemployer Plans The pension and post-retirement expenses were as follows:
For the Quarters Ended March 31,
(dollars in millions)20202019
Service cost$—  $ 
Non-service pension benefit(2) (20) 
Total net periodic benefit $(2) $(16)