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Summary Of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2020
Accounting Policies [Abstract] |
Schedule of Revenue from Contracts with Customers Disaggregated Based on Type of Good or Service | The following table presents revenue from contracts with customers that are disaggregated based on the type of good or service.
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Oil |  | $ | 504 |  |  | $ | 751 |  |  | $ | 1,462 |  |  | $ | 2,160 |
Gas |  |  | 79 |  |  |  | 80 |  |  |  | 221 |  |  |  | 291 |
NGL |  |  | 95 |  |  |  | 88 |  |  |  | 226 |  |  |  | 323 |
Oil, gas and NGL sales |  |  | 678 |  |  |  | 919 |  |  |  | 1,909 |  |  |  | 2,774 |
Oil |  |  | 233 |  |  |  | 407 |  |  |  | 702 |  |  |  | 1,157 |
Gas |  |  | 97 |  |  |  | 140 |  |  |  | 268 |  |  |  | 530 |
NGL |  |  | 143 |  |  |  | 151 |  |  |  | 390 |  |  |  | 506 |
Total marketing revenues |  |  | 473 |  |  |  | 698 |  |  |  | 1,360 |  |  |  | 2,193 |
Midstream revenues |  |  | 3 |  |  |  | 2 |  |  |  | 7 |  |  |  | 2 |
Marketing and midstream revenues |  |  | 476 |  |  |  | 700 |  |  |  | 1,367 |  |  |  | 2,195 |
Total revenues from contracts with customers |  | $ | 1,154 |  |  | $ | 1,619 |  |  | $ | 3,276 |  |  | $ | 4,969 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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