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REVENUE RECOGNITION | 3 Months Ended
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Mar. 31, 2020
Revenue from Contract with Customer [Abstract] |
REVENUE RECOGNITION | REVENUE RECOGNITION We derive substantially all of our revenue from sales of oil, natural gas and NGLs, with the remaining revenue generated from sales of electricity and marketing activities related to storage and managing excess pipeline capacity. The following table provides disaggregated revenue for the three months ended March 31, 2020 and 2019:
| Three months ended March 31,
| 2020 |  | 2019
| (in millions)
Oil and natural gas sales |  |  |
Oil | $ | 356 |  |  | $ | 480 |
Natural gas | 38 |  |  | 62 |
NGLs | 36 |  |  | 59 |
| 430 |  |  | 601 |
Other revenue |  |  |
Electricity | 13 |  |  | 34 |
Marketing, trading and other | 51 |  |  | 144 |
| 64 |  |  | 178 |
Net derivative gain (loss) from commodity contracts | 79 |  |  | (89 | )
Total revenues | $ | 573 |  |  | $ | 690 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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