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v3.20.4

Property, Plant and Equipment (Table of Property and Equipment, net) (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Property and equipment: |  |  |
Proved |  | $ 27,589 | $ 27,668
Unproved and properties under development |  | 392 | 583
Total oil and gas |  | 27,981 | 28,251
Less accumulated DD&A |  | (23,545) | (20,693)
Oil and gas property and equipment, net |  | 4,436 | 7,558
Other property and equipment |  | 1,737 | 1,725
Less accumulated DD&A |  | (780) | (690)
Other property and equipment, net | [1] | 957 | 1,035
Total property and equipment, net |  | $ 5,393 | $ 8,593
[1] | $102 million and $80 million related to CDM in 2020 and 2019, respectively

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