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Subsidiaries | 12 Months Ended
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Dec. 31, 2019
Disclosure Of Significant Investments In Subsidiaries [Abstract] |
Subsidiaries | NOTE 29. SUBSIDIARIES Significant Subsidiaries
|  |  |  | Ownership Interest |
|  | Country of Incorporation |  | 2019 |  |  | 2018 |
Precision Limited Partnership |  | Canada |  |  | 100 |  |  |  | 100 |
Precision Drilling Canada Limited Partnership |  | Canada |  |  | 100 |  |  |  | 100 |
Precision Diversified Oilfield Services Corp. |  | Canada |  |  | 100 |  |  |  | 100 |
Precision Directional Services Ltd. |  | Canada |  |  | 100 |  |  |  | 100 |
Precision Drilling (US) Corporation |  | United States |  |  | 100 |  |  |  | 100 |
Precision Drilling Holdings Company |  | United States |  |  | 100 |  |  |  | 100 |
Precision Drilling Company LP |  | United States |  |  | 100 |  |  |  | 100 |
Precision Completion & Production Services Ltd. |  | United States |  |  | 100 |  |  |  | 100 |
Precision Directional Services, Inc. |  | United States |  |  | 100 |  |  |  | 100 |
Grey Wolf Drilling Limited |  | Barbados |  |  | 100 |  |  |  | 100 |
Grey Wolf Drilling (Barbados) Ltd. |  | Barbados |  |  | 100 |  |  |  | 100 |

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- Definition The disclosure of interests in subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 2 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_2_b_i&doctype=Standard -URIDate 2019-03-27 + Details
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