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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2020
GOODWILL AND OTHER INTANGIBLE ASSETS |
Segment breakdown of Goodwill and Other Intangible Assets |
($ millions) |  | Oil Sands Goodwill |  | Refining and Marketing Goodwill |  | Other Intangibles |  | Total |  |
At December 31, 2018 |  | 2 752 |  | 140 |  | 169 |  | 3 061 |  |
Amortization |  | — |  | — |  | (3 | ) | (3 | ) |
At December 31, 2019 |  | 2 752 |  | 140 |  | 166 |  | 3 058 |  |
Additions |  | — |  | — |  | 272 |  | 272 |  |
Amortization |  | — |  | — |  | (2 | ) | (2 | ) |
At December 31, 2020 |  | 2 752 |  | 140 |  | 436 |  | 3 328 |  |

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- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_118&doctype=Standard -URIDate 2020-01-01 + Details
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