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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2023
Extractive Industries [Abstract] |
Property, Plant and Equipment | Property, Plant and Equipment Capitalized Costs The following table presents the aggregate capitalized costs related to Devon’s oil and gas and non-oil and gas activities.
|  | December 31, 2023 |  |  | December 31, 2022 |
Property and equipment: |  |  |  |  |  |
Proved |  | $ | 46,659 |  |  | $ | 42,734 |
Unproved and properties under development |  |  | 1,279 |  |  |  | 1,548 |
Total oil and gas |  |  | 47,938 |  |  |  | 44,282 |
Less accumulated DD&A |  |  | (30,113 | ) |  |  | (27,715 | )
Oil and gas property and equipment, net |  |  | 17,825 |  |  |  | 16,567 |
Other property and equipment |  |  | 2,289 |  |  |  | 2,280 |
Less accumulated DD&A |  |  | (786 | ) |  |  | (741 | )
Other property and equipment, net (1) |  |  | 1,503 |  |  |  | 1,539 |
Property and equipment, net |  | $ | 19,328 |  |  | $ | 18,106 |
(1) $136 million and $109 million related to CDM in 2023 and 2022, respectively. Suspended Exploratory Well Costs The following summarizes the changes in suspended exploratory well costs for the three years ended December 31, 2023.
|  | Year Ended December 31, |
|  | 2023 |  | 2022 |  | 2021 |
|  | (Millions) |
Beginning balance |  | $ | 126 |  | $ | 66 |  | $ | 18 |
Acquired WPX costs |  |  | — |  |  | — |  |  | 34 |
Additions pending determination of proved reserves |  |  | 522 |  |  | 462 |  |  | 206 |
Charges to exploration expense |  |  | (1 | ) |  | (1 | ) |  | (2 | )
Reclassifications to proved properties |  |  | (511 | ) |  | (401 | ) |  | (190 | )
Ending balance |  | $ | 136 |  | $ | 126 |  | $ | 66 |
Devon had no projects with material suspended exploratory well costs capitalized for a period greater than one year since the completion of drilling as of December 31, 2023, 2022 and 2021.

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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://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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