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Property, Plant and Equipment, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [abstract] |
Summary of Property, Plant and Equipment |
| Oil and Gas Properties |  |  | Processing, Transportation and Storage Assets |  |  | Manufacturing Assets |  |  | Retail and Other (1) |  |  | Total |
COST |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As at December 31, 2019 (2) |  | 29,365 |  |  |  | 183 |  |  |  | 5,577 |  |  |  | 1,231 |  |  |  | 36,356 |
Additions |  | 475 |  |  |  | 33 |  |  |  | 243 |  |  |  | 60 |  |  |  | 811 |
Transfers from E&E Assets (Note 17) |  | 47 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 47 |
Change in Decommissioning Liabilities |  | (11) |  |  |  | 2 |  |  |  | 3 |  |  |  | — |  |  |  | (6) |
Exchange Rate Movements and Other |  | (6) |  |  |  | — |  |  |  | (152) |  |  |  | (1) |  |  |  | (159) |
Divestitures |  | (3) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (3) |
As at December 31, 2020 (2) |  | 29,867 |  |  |  | 218 |  |  |  | 5,671 |  |  |  | 1,290 |  |  |  | 37,046 |
Acquisitions (Note 5) |  | 8,633 |  |  |  | — |  |  |  | 3,901 |  |  |  | 846 |  |  |  | 13,380 |
Additions |  | 1,368 |  |  |  | 9 |  |  |  | 1,023 |  |  |  | 115 |  |  |  | 2,515 |
Change in Decommissioning Liabilities |  | (63) |  |  |  | 1 |  |  |  | 40 |  |  |  | 24 |  |  |  | 2 |
Exchange Rate Movements and Other |  | 22 |  |  |  | — |  |  |  | (140) |  |  |  | (18) |  |  |  | (136) |
Divestitures |  | (630) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (630) |
Transfers to Assets Held for Sale (Note 16) |  | (754) |  |  |  | — |  |  |  | — |  |  |  | (522) |  |  |  | (1,276) |
As at December 31, 2021 |  | 38,443 |  |  |  | 228 |  |  |  | 10,495 |  |  |  | 1,735 |  |  |  | 50,901 |
ACCUMULATED DEPRECIATION, DEPLETION AND AMORTIZATION |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As at December 31, 2019 (2) |  | 6,008 |  |  |  | 33 |  |  |  | 1,596 |  |  |  | 885 |  |  |  | 8,522 |
Depreciation, Depletion and Amortization (3) |  | 1,820 |  |  |  | 9 |  |  |  | 242 |  |  |  | 152 |  |  |  | 2,223 |
Impairment Charges (Note 10) (3) |  | 555 |  |  |  | — |  |  |  | 450 |  |  |  | — |  |  |  | 1,005 |
Exchange Rate Movements and Other |  | (22) |  |  |  | — |  |  |  | (93) |  |  |  | — |  |  |  | (115) |
As at December 31, 2020 (2) |  | 8,361 |  |  |  | 42 |  |  |  | 2,195 |  |  |  | 1,037 |  |  |  | 11,635 |
Depreciation, Depletion and Amortization |  | 3,335 |  |  |  | 10 |  |  |  | 526 |  |  |  | 128 |  |  |  | 3,999 |
Impairment Charges (Note 10) |  | — |  |  |  | — |  |  |  | 1,931 |  |  |  | — |  |  |  | 1,931 |
Impairment Reversals (Note 10) |  | (378) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (378) |
Exchange Rate Movements and Other |  | 61 |  |  |  | 1 |  |  |  | (80) |  |  |  | (2) |  |  |  | (20) |
Divestitures |  | (377) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (377) |
Transfers to Assets Held for Sale (Note 16) |  | (90) |  |  |  | — |  |  |  | — |  |  |  | (24) |  |  |  | (114) |
As at December 31, 2021 |  | 10,912 |  |  |  | 53 |  |  |  | 4,572 |  |  |  | 1,139 |  |  |  | 16,676 |
CARRYING VALUE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
As at December 31, 2019 (2) |  | 23,357 |  |  |  | 150 |  |  |  | 3,981 |  |  |  | 346 |  |  |  | 27,834 |
As at December 31, 2020 (2) |  | 21,506 |  |  |  | 176 |  |  |  | 3,476 |  |  |  | 253 |  |  |  | 25,411 |
As at December 31, 2021 |  | 27,531 |  |  |  | 175 |  |  |  | 5,923 |  |  |  | 596 |  |  |  | 34,225 |
(1)Includes retail assets, office furniture, fixtures, leasehold improvements, information technology and aircraft. (2)Balances for periods prior to January 1, 2021, have been reclassified to conform with the current period’s presentation of asset classes. (3)Asset write-downs have been reclassified to DD&A to conform with the current presentation of impairment charges.
Disclosure Of Property Plant And Equipment Under Construction Explanatory | PP&E includes the following amounts in respect of assets under construction and not subject to DD&A:
As at December 31, | 2021 |  |  | 2020 |
Development and Production |  | 2,415 |  |  |  | 1,807 |
Downstream |  | 943 |  |  |  | 226 |
|  | 3,358 |  |  |  | 2,033 |

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