Balances of the liabilities for employee benefits
| December 31, 2017 |
December 31, 2016 |
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Pension and Retirement Plans: |
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Defined benefit obligation |
Ps. | 7,370 | Ps. | 5,702 | ||||
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Pension plan funds at fair value |
(3,131 | ) | (2,216 | ) | ||||
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Net defined benefit liability |
Ps. | 4,239 | Ps. | 3,486 | ||||
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Seniority Premiums: |
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Defined benefit obligation |
Ps. | 783 | Ps. | 663 | ||||
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Seniority premium plan funds at fair value |
(109 | ) | (102 | ) | ||||
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Net defined benefit liability |
Ps. | 674 | Ps. | 561 | ||||
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Postretirement Medical Services: |
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Defined benefit obligation |
Ps. | 524 | Ps. | 460 | ||||
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Medical services funds at fair value |
(64 | ) | (60 | ) | ||||
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Net defined benefit liability |
Ps. | 460 | Ps. | 400 | ||||
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Total employee benefits |
Ps. | 5,373 | Ps. | 4,447 | ||||
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