22. | Provisions |
| | Warranties | | Litigation and claims | | Others | | Total | ||||||||
| | (in thousands) | ||||||||||||||
Balance at January 1, 2017 | | $ | 1,528,898 | | | | 1,027,328 | | | | 265,445 | | | | 2,821,671 | |
Additions | | | 436,464 | | | | 90,945 | | | | 4,346 | | | | 531,755 | |
Usage | | | (297,829 | ) | | | (1,025,032 | ) | | | - | | | | (1,322,861 | ) |
Reversals | | | (120,704 | ) | | | - | | | | - | | | | (120,704 | ) |
Effect of change in exchange rate | | | 131 | | | | (3,721 | ) | | | (20,308 | ) | | | (23,898 | ) |
Balance at December 31, 2017 | | | 1,546,960 | | | | 89,520 | | | | 249,483 | | | | 1,885,963 | |
Less: current | | | (725,366 | ) | | | (89,520 | ) | | | (4,346 | ) | | | (819,232 | ) |
Noncurrent | | $ | 821,594 | | | | - | | | | 245,137 | | | | 1,066,731 | |
| | | | | | | | | | | | | | | | |
Balance at January 1, 2016 | | $ | 1,819,519 | | | | 4,018,880 | | | | 297,937 | | | | 6,136,336 | |
Additions | | | 309,475 | | | | 597,325 | | | | - | | | | 906,800 | |
Usage | | | (265,917 | ) | | | (3,405,923 | ) | | | - | | | | (3,671,840 | ) |
Reversals | | | (334,174 | ) | | | - | | | | (25,839 | ) | | | (360,013 | ) |
Effect of change in exchange rate | | | (5 | ) | | | (182,954 | ) | | | (6,653 | ) | | | (189,612 | ) |
Balance at December 31, 2016 | | | 1,528,898 | | | | 1,027,328 | | | | 265,445 | | | | 2,821,671 | |
Less: current | | | (756,079 | ) | | | (1,027,328 | ) | | | - | | | | (1,783,407 | ) |
Noncurrent | | $ | 772,819 | | | | - | | | | 265,445 | | | | 1,038,264 | |