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GENERAL AND ADMINISTRATIVE EXPENSES (Tables) | 12 Months Ended
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Dec. 31, 2017
General and Administrative Expenses [Abstract] |
General and administrative expenses |
For the years ended December 31 | 2017 |  | 2016 |
Corporate administration 1 |  | $227 |  |  | $201 |
Operating segment administration | 21 |  | 55 |
Total 2 |  | $248 |  |  | $256 |
1 | Includes $3 million (2016: $9 million) related to one-time severance payments.
2 | Includes employee costs of $98 million (2016: $153 million).

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