Rendering

Component: (Network and Table)
Network
2414411 - Disclosure - Pension and Other Postretirement Benefits (Components Of The Plans' Net Periodic Benefits Cost) (Details)
(http://www.cpg.com/role/PensionAndOtherPostretirementBenefitsComponentsOfPlansNetPeriodicBenefitsCostDetails)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001629995 (http://www.sec.gov/CIK)
Defined Benefit Plan Disclosure [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis]
Pension PlanOther Postretirement BenefitsPension PlanOther Postretirement BenefitsPension PlanOther Postretirement Benefits
Service Cost
6,400,000 1
900,000 1
5,900,000 1
1,000,000 1
4,800,000  
1,100,000  
Interest cost
15,100,000 1
4,500,000 1
15,000,000 1
4,700,000 1
15,700,000  
4,600,000  
Expected return on assets
(25,000,000) 
(15,000,000) 
(28,200,000) 
(18,100,000) 
(27,300,000) 
(16,600,000) 
Amortization of transition obligation
      
Amortization of prior service cost
(1,200,000) 
(700,000) 
(1,100,000) 
(300,000) 
(1,100,000) 
100,000  
Recognized actuarial loss
12,200,000  
300,000  
9,900,000  
(300,000) 
7,500,000  
0  
Net Periodic Benefit Costs
7,500,000  
 
(10,000,000) 
 
1,500,000  
 
(13,000,000) 
 
(400,000) 
 
(10,800,000) 
 
Settlement loss
12,300,000  
0  
0  
0  
0  
0  
Total Net Periodic Benefits Cost
19,800,000  
 
(10,000,000) 
 
1,500,000  
 
(13,000,000) 
 
(400,000) 
 
(10,800,000) 
 
1: The change in benefit obligation for Pension Benefits represents the change in Projected Benefit Obligation while the change in benefit obligation for Other Postretirement Benefits represents the change in Accumulated Postretirement Benefit Obligation.