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v3.20.4

Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | The following table shows revenue disaggregated by operating area and product type, for the years ended December 31, 2020, 2019 and 2018:
|  | Year Ended December 31, 2020
|  | Oil |  | Natural Gas |  | NGL |  | Total
|  | ($ in millions)
Marcellus |  | $ | — |  |  | $ | 631 |  |  | $ | — |  |  | $ | 631 |
Haynesville |  | — |  |  | 362 |  |  | — |  |  | 362 |
Eagle Ford |  | 717 |  |  | 113 |  |  | 84 |  |  | 914 |
Brazos Valley |  | 485 |  |  | 16 |  |  | 13 |  |  | 514 |
Powder River Basin |  | 170 |  |  | 41 |  |  | 20 |  |  | 231 |
Mid-Continent |  | 55 |  |  | 25 |  |  | 13 |  |  | 93 |
Revenue from contracts with customers |  | 1,427 |  |  | 1,188 |  |  | 130 |  |  | 2,745 |
Gains on oil, natural gas and NGL derivatives |  | 554 |  |  | 42 |  |  | — |  |  | 596 |
Oil, natural gas and NGL revenue |  | $ | 1,981 |  |  | $ | 1,230 |  |  | $ | 130 |  |  | $ | 3,341 |
Marketing revenue from contracts with customers |  | $ | 1,195 |  |  | $ | 494 |  |  | $ | 110 |  |  | $ | 1,799 |
Other marketing revenue |  | 67 |  |  | 3 |  |  | — |  |  | 70 |
Marketing revenue |  | $ | 1,262 |  |  | $ | 497 |  |  | $ | 110 |  |  | $ | 1,869 |
|  | Year Ended December 31, 2019
|  | Oil |  | Natural Gas |  | NGL |  | Total
|  | ($ in millions)
Marcellus |  | $ | — |  |  | $ | 856 |  |  | $ | — |  |  | $ | 856 |
Haynesville |  | — |  |  | 620 |  |  | — |  |  | 620 |
Eagle Ford |  | 1,289 |  |  | 153 |  |  | 119 |  |  | 1,561 |
Brazos Valley |  | 721 |  |  | 32 |  |  | 16 |  |  | 769 |
Powder River Basin |  | 369 |  |  | 77 |  |  | 32 |  |  | 478 |
Mid-Continent |  | 164 |  |  | 44 |  |  | 25 |  |  | 233 |
Revenue from contracts with customers |  | 2,543 |  |  | 1,782 |  |  | 192 |  |  | 4,517 |
Gains (losses) on oil, natural gas and NGL derivatives |  | (212) |  |  | 217 |  |  | — |  |  | 5 |
Oil, natural gas and NGL revenue |  | $ | 2,331 |  |  | $ | 1,999 |  |  | $ | 192 |  |  | $ | 4,522 |
Marketing revenue from contracts with customers |  | $ | 2,473 |  |  | $ | 900 |  |  | $ | 246 |  |  | $ | 3,619 |
Other marketing revenue |  | 311 |  |  | 41 |  |  | — |  |  | 352 |
Losses on marketing derivatives |  | — |  |  | (4) |  |  | — |  |  | (4) |
Marketing revenue |  | $ | 2,784 |  |  | $ | 937 |  |  | $ | 246 |  |  | $ | 3,967 |
|  | Year Ended December 31, 2018
|  | Oil |  | Natural Gas |  | NGL |  | Total
|  | ($ in millions)
Marcellus |  | $ | — |  |  | $ | 924 |  |  | $ | — |  |  | $ | 924 |
Haynesville |  | 2 |  |  | 836 |  |  | — |  |  | 838 |
Eagle Ford |  | 1,514 |  |  | 173 |  |  | 185 |  |  | 1,872 |
Powder River Basin |  | 244 |  |  | 68 |  |  | 38 |  |  | 350 |
Mid-Continent |  | 246 |  |  | 84 |  |  | 55 |  |  | 385 |
Utica |  | 195 |  |  | 401 |  |  | 224 |  |  | 820 |
Revenue from contracts with customers |  | 2,201 |  |  | 2,486 |  |  | 502 |  |  | 5,189 |
Gains (losses) on oil, natural gas and NGL derivatives |  | 124 |  |  | (147) |  |  | (11) |  |  | (34) |
Oil, natural gas and NGL revenue |  | $ | 2,325 |  |  | $ | 2,339 |  |  | $ | 491 |  |  | $ | 5,155 |
Marketing revenue from contracts with customers |  | $ | 2,740 |  |  | $ | 1,194 |  |  | $ | 456 |  |  | $ | 4,390 |
Other marketing revenue |  | 457 |  |  | 222 |  |  | — |  |  | 679 |
Gains on marketing derivatives |  | — |  |  | 7 |  |  | — |  |  | 7 |
Marketing revenue |  | $ | 3,197 |  |  | $ | 1,423 |  |  | $ | 456 |  |  | $ | 5,076 |
Accounts receivable | Accounts receivable as of December 31, 2020 and 2019 are detailed below:
|  | December 31,
|  | 2020 |  | 2019
|  | ($ in millions)
Oil, natural gas and NGL sales |  | $ | 589 |  |  | $ | 737 |
Joint interest billings |  | 119 |  |  | 200 |
Other |  | 68 |  |  | 74 |
Allowance for doubtful accounts |  | (30) |  |  | (21) |
Total accounts receivable, net |  | $ | 746 |  |  | $ | 990 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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