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New IFRS Standards (Tables) | 12 Months Ended
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Dec. 31, 2018
NEW IFRS STANDARDS |
Adjustments to Consolidated Statements of Comprehensive Income |
($ millions, decrease) |  | For the twelve months ended December 31 2017 IFRS 15 |  |
Revenues and Other Income |  |  |  |
| Operating revenues, net of royalties |  | (97 | ) |
Expenses |  |  |  |
| Operating, selling and general |  | (57 | ) |
| Transportation |  | (40 | ) |
Net Earnings |  | — |  |
Total Comprehensive Income |  | — |  |

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