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Property, Plant and Equipment | 9 Months Ended
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Sep. 30, 2020
Extractive Industries [Abstract] |
Property, Plant and Equipment | 12.Property, Plant and Equipment The following table presents the aggregate capitalized costs related to Devon’s oil and gas and non-oil and gas activities.
|  | September 30, 2020 |  |  | December 31, 2019 |
Property and equipment: |  |  |  |  |  |  |  |
Proved |  | $ | 28,407 |  |  | $ | 27,668 |
Unproved and properties under development |  |  | 432 |  |  |  | 583 |
Total oil and gas |  |  | 28,839 |  |  |  | 28,251 |
Less accumulated DD&A |  |  | (24,286 | ) |  |  | (20,693 | )
Oil and gas property and equipment, net |  |  | 4,553 |  |  |  | 7,558 |
Other property and equipment |  |  | 1,746 |  |  |  | 1,725 |
Less accumulated DD&A |  |  | (743 | ) |  |  | (690 | )
Other property and equipment, net (1) |  |  | 1,003 |  |  |  | 1,035 |
Property and equipment, net |  | $ | 5,556 |  |  | $ | 8,593 |
| (1) | $100 million and $80 million related to CDM in 2020 and 2019, respectively.
During the first nine months of 2020, Devon recognized asset impairments of $2.7 billion primarily related to proved oil and gas assets and $149 million of unproved impairments, which significantly reduced the carrying value of its property and equipment, net. See Note 5 for additional details.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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