| 2017 | 2016 | 2015 | ||||||||||
| Present value of the defined benefit obligation | 1,481 | 1,128 | 949 | |||||||||
| Fair value of plan assets | 1,266 | 963 | 801 | |||||||||
| Net pension obligation | 215 | 165 | 148 | |||||||||
| Remeasurement loss | 211 | 60 | 48 | |||||||||
| Net balance sheet recorded pension liability December 31 | 425 | 225 | 196 | |||||||||