| | | | Fair value | | Measurement methodology | | |||||||
| | | 12/31/2017 | | Level 1 | | Level 2 | | Level 3 | | ||||
| | | ThUS$ | | ThUS$ | | ThUS$ | | ThUS$ | | ||||
| Financial assets | | | | | | | | | | | | | |
| Investment | | | | | | | | | | | | | |
| Investment SQM Australia | | | 24,746 | | | 24,746 | | | - | | | - | |
| Shares | | | 9,159 | | | 9,159 | | | - | | | - | |
| Non-hedging derivatives | | | | | | | | | | | | | |
| Forwards | | | 2,744 | | | - | | | 2,744 | | | - | |
| Options | | | 110 | | | - | | | 110 | | | - | |
| Swaps | | | 3,184 | | | - | | | 3,184 | | | - | |
| Hedging derivatives | | | | | | | | | | | | | |
| Swaps | | | 8,726 | | | - | | | 8,726 | | | - | |
| Deposits, more than 90 days | | | 360,941 | | | | | | 360,941 | | | - | |
| Other | | | 249 | | | - | | | 249 | | | - | |
| Financial liabilities | | | | | | | | | | | | | |
| Non-hedging derivatives | | | | | | | | | | | | | |
| Forwards | | | 5,534 | | | - | | | 5,534 | | | - | |
| Options | | | 445 | | | - | | | 445 | | | - | |
| Hedging derivatives | | | | | | | | | | | | | |
| Swaps | | | 37,287 | | | - | | | 37,287 | | | - | |
| Bank loans | | | 163,568 | | | - | | | 163,568 | | | - | |
| Non-guaranteed bonds | | | 1,039,956 | | | - | | | 1,039,956 | | | - | |
| Other | | | 5,945 | | | - | | | 5,945 | | | - | |
| | | Fair value | | Measurement methodology | | ||||||||
| | | 12/31/2016 | | Level 1 | | Level 2 | | Level 3 | | ||||
| | | ThUS$ | | ThUS$ | | ThUS$ | | ThUS$ | | ||||
| Financial assets | | | | | | | | | | | | | |
| Investment | | | | | | | | | | | | | |
| Shares | | | 6,879 | | | 6,879 | | | - | | | - | |
| Non-hedging derivatives | | | | | | | | | | | | | |
| Forwards | | | 924 | | | - | | | 924 | | | - | |
| Options | | | 426 | | | - | | | 426 | | | - | |
| Swaps | | | 2,745 | | | - | | | 2,745 | | | - | |
| Hedging derivatives | | | | | | | | | | | | | |
| Swaps | | | 8,090 | | | - | | | 8,090 | | | - | |
| Deposits, more than 90 days | | | 284,159 | | | | | | 284,159 | | | - | |
| Other | | | 2,809 | | | - | | | 2,809 | | | - | |
| Financial liabilities | | | | | | | | | | | | | |
| Non-hedging derivatives | | | | | | | | | | | | | |
| Forwards | | | 871 | | | - | | | 871 | | | - | |
| Options | | | 363 | | | - | | | 363 | | | - | |
| Hedging derivatives | | | | | | | | | | | | | |
| Swaps | | | 50,713 | | | - | | | 50,713 | | | - | |
| Bank loans | | | 101,270 | | | - | | | 101,270 | | | - | |
| Non-guaranteed bonds | | | 1,103,324 | | | - | | | 1,103,324 | | | - | |
| Other | | | 16,041 | | | - | | | 16,041 | | | - | |