Rendering

Component: (Network and Table)
Network
2411403 - Disclosure - Pension Plans and Other Postretirement Benefits - Change in Benefit Obligation (Details)
(http://www.cvshealth.com/role/PensionPlansAndOtherPostretirementBenefitsChangeInBenefitObligationDetails)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000064803 (http://www.sec.gov/CIK)
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Pension Plans
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 Plan, Change in Benefit Obligation [Roll Forward]
 
 
 
Benefit obligation at beginning of year
844,000,000  
796,000,000  
 
Acquisition
0  
8,000,000  
 
Interest cost
27,000,000  
31,000,000  
32,000,000  
Actuarial loss
13,000,000  
45,000,000  
 
Benefit payments
(37,000,000) 
(36,000,000) 
 
Settlements
(3,000,000) 
0  
 
Benefit obligation at end of year
844,000,000  
 
844,000,000  
 
796,000,000