XML 61 R49.htm IDEA: XBRL DOCUMENT v3.20.2
EMPLOYEE BENEFITS (Tables)
 9 Months Ended
Sep. 30, 2020
Retirement Benefits [Abstract]  
Schedule of net benefit cost (credit)
The following tables show the components of net periodic benefit cost (credit) for our benefit plans.
Pension Benefits
Three Months Ended September 30Nine Months Ended September 30
(in millions)2020201920202019
Service cost$12.5 $11.6 $37.3 $34.7 
Interest cost25.6 30.3 77.8 91.1 
Expected return on plan assets(47.4)(48.3)(143.0)(145.2)
Loss on plan settlement5.2 7.8 15.5 9.6 
Amortization of prior service cost0.4 0.5 1.2 1.6 
Amortization of net actuarial loss26.1 18.9 75.8 56.6 
Net periodic benefit cost$22.4 $20.8 $64.6 $48.4 

OPEB Benefits
Three Months Ended September 30Nine Months Ended September 30
(in millions)2020201920202019
Service cost$3.8 $4.1 $11.4 $12.3 
Interest cost4.7 6.5 14.0 19.3 
Expected return on plan assets(15.0)(13.7)(45.2)(41.0)
Amortization of prior service credit(3.8)(3.9)(11.3)(11.6)
Amortization of net actuarial gain(5.6)(2.0)(16.8)(4.7)
Net periodic benefit credit$(15.9)$(9.0)$(47.9)$(25.7)