5.3.4Other Operating Income and Expense
| 2016 | 2015 | ||
|---|---|---|---|
| Restructuring expenses | (48) | (55) | |
| Settlement expenses | (22) | (245) | |
| Other operating expense | 0 | (3) | |
| Other operating income | 2 | 1 | |
| Total | (66) | (302) | 
In 2016, the other operating expenses mainly include:
- The US$ 22 million for non-recurring provision for potential contemplated settlement with Brazilian authorities and Petrobras (Please refer to Note 5.3.1 Highlights)
- The net restructuring costs following the workforce reduction plans launched for US$ 37 million (Please refer to Note 5.3.1 Highlights)
- A provision for onerous contract related to long-term offices rental contracts for US$ 11 million (Please refer to Note 5.3.26 Provisions), classified as restructuring expenses.