Rendering
| Component: (Network and Table) |
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| Network | 2311301 - Disclosure - Pension Plans and Other Postretirement Benefits Pension Plans and Other Postretirement Benefits (Tables) (http://www.cvshealth.com/role/PensionPlansAndOtherPostretirementBenefitsPensionPlansAndOtherPostretirementBenefitsTables) |
| Table | (Implied) |
Slicers (applies to each fact value in each table cell)
| Reporting Entity [Axis] | 0000064803 (http://www.sec.gov/CIK) |
| Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
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2016-01-01 - 2016-12-31 |
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Compensation and Retirement Disclosure [Abstract] | |
Schedule of Changes in Projected Benefit Obligation | The following tables outline the change in benefit obligations and plan assets over the comparable periods: | | | | | | | | | | In millions | | 2016 | | 2015 | Change in benefit obligation: | | | | | Benefit obligation at beginning of year | | $ | 844 |
| | $ | 796 |
| Acquisition | | — |
| | 8 |
| Interest cost | | 27 |
| | 31 |
| Actuarial loss | | 13 |
| | 45 |
| Benefit payments | | (37 | ) | | (36 | ) | Settlements | | (3 | ) | | — |
| Benefit obligation at end of year | | $ | 844 |
| | $ | 844 |
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Schedule of Changes in Fair Value of Plan Assets | | | | | | | | | | | In millions | | 2016 | | 2015 | Change in plan assets: | | | | | Fair value of plan assets at the beginning of the year | | $ | 613 |
| | $ | 635 |
| Acquisitions | | — |
| | 5 |
| Actual return on plan assets | | 26 |
| | (13 | ) | Employer contributions | | 25 |
| | 22 |
| Benefit payments | | (37 | ) | | (36 | ) | Settlements | | (3 | ) | | — |
| Fair value of plan assets at the end of the year | | 624 |
| | 613 |
| | | | | | Funded status | | $ | (220 | ) | | $ | (231 | ) |
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Schedule of Net Benefit Costs | The components of net periodic benefit costs for the years ended December 31 are shown below: | | | | | | | | | | | | | | In millions | | 2016 | | 2015 | | 2014 | Components of net periodic benefit cost: | | | | | | | Interest cost | | $ | 27 |
| | $ | 31 |
| | $ | 32 |
| Expected return on plan assets | | (32 | ) | | (33 | ) | | (31 | ) | Amortization of net loss | | 32 |
| | 21 |
| | 16 |
| Settlement loss | | — |
| | — |
| | 3 |
| Service cost | | — |
| | — |
| | 1 |
| Net periodic pension cost | | $ | 27 |
| | $ | 19 |
| | $ | 21 |
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Schedule of Allocation of Plan Assets | The following tables show the fair value allocation of plan assets by asset category as of December 31, 2016 and 2015.
| | | | | | | | | | | | | | | | | In millions | Fair value of plan assets at December 31, 2016 | | Level 1 | | Level 2 | | Level 3 | | Total | Cash and money market funds | $ | 8 |
| | $ | — |
| | $ | — |
| | $ | 8 |
| Fixed income funds | 3 |
| | 580 |
| | — |
| | 583 |
| Equity mutual funds | 33 |
| | — |
| | — |
| | 33 |
| Total assets at fair value | $ | 44 |
| | $ | 580 |
| | $ | — |
| | $ | 624 |
| | | | | | | | | | Fair value of plan assets at December 31, 2015 | | Level 1 | | Level 2 | | Level 3 | | Total | Cash and money market funds | $ | 10 |
| | $ | — |
| | $ | — |
| | $ | 10 |
| Fixed income funds | 4 |
| | 484 |
| | — |
| | 488 |
| Equity mutual funds | 115 |
| | — |
| | — |
| | 115 |
| Total assets at fair value | $ | 129 |
| | $ | 484 |
| | $ | — |
| | $ | 613 |
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Schedule of Expected Benefit Payments | The Company estimates the following future benefit payments which are calculated using the same actuarial assumptions used to measure the benefit obligation as of December 31, 2016: | | | | | In millions | | 2017(1) | $ | 39 |
| 2018 | 52 |
| 2019 | 50 |
| 2020 | 49 |
| 2021 | 61 |
| Thereafter | 236 |
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(1) Excludes any payments associated with the ultimate settlement of the terminated plan discussed above.
|