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Discontinued Operations and Assets Held for Sale (Amounts Reported as Discontinued Operations in the Consolidated Comprehensive Statements of Earnings) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Upstream revenues | $ 388 | $ 303 | $ 635 | $ 605
Marketing and midstream revenues | 12 | 1,619 | 38 | 3,248
Total revenues | 400 | 1,922 | 673 | 3,853
Production expenses | 153 | 166 | 294 | 314
Exploration expenses | 4 | 6 | 13 | 18
Marketing and midstream expenses | 9 | 1,280 | 18 | 2,628
Depreciation, depletion and amortization | 49 | 184 | 128 | 416
Asset impairments | 37 |  | 37 |
Asset dispositions | (189) |  | (189) |
General and administrative expenses | 13 | 49 | 31 | 100
Financing costs, net | 13 | 43 | 26 | 85
Restructuring and transaction costs | 236 | 9 | 239 | 9
Other expenses | 31 | 34 | 3 | 102
Total expenses | 356 | 1,771 | 600 | 3,672
Earnings from discontinued operations before income taxes | 44 | 151 | 73 | 181
Income tax benefit | (285) | (10) | (285) | (35)
Net earnings from discontinued operations, net of tax | 329 | 161 | 358 | 216
Net earnings attributable to noncontrolling interests |  | 90 |  | 134
Net earnings from discontinued operations, attributable to Devon |  | 71 |  | 82
Canada [Member] |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Upstream revenues | 388 | 303 | 635 | 605
Marketing and midstream revenues | 12 | 24 | 38 | 41
Total revenues | 400 | 327 | 673 | 646
Production expenses | 153 | 166 | 294 | 314
Exploration expenses | 4 | 6 | 13 | 18
Marketing and midstream expenses | 9 | 11 | 18 | 18
Depreciation, depletion and amortization | 49 | 78 | 128 | 172
Asset impairments | 37 |  | 37 |
Asset dispositions | (189) |  | (189) |
General and administrative expenses | 13 | 18 | 31 | 42
Financing costs, net | 13 | (2) | 26 | (4)
Restructuring and transaction costs | 236 | 9 | 239 | 9
Other expenses | 31 | 39 | 3 | 109
Total expenses | 356 | 325 | 600 | 678
Earnings from discontinued operations before income taxes | 44 | 2 | 73 | (32)
Income tax benefit | (285) | (20) | (285) | (51)
Net earnings from discontinued operations, net of tax | $ 329 | 22 | $ 358 | 19
Net earnings from discontinued operations, attributable to Devon |  | 22 |  | 19
EnLink and General Partner [Member] |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Marketing and midstream revenues |  | 1,595 |  | 3,207
Total revenues |  | 1,595 |  | 3,207
Marketing and midstream expenses |  | 1,269 |  | 2,610
Depreciation, depletion and amortization |  | 106 |  | 244
General and administrative expenses |  | 31 |  | 58
Financing costs, net |  | 45 |  | 89
Other expenses |  | (5) |  | (7)
Total expenses |  | 1,446 |  | 2,994
Earnings from discontinued operations before income taxes |  | 149 |  | 213
Income tax benefit |  | 10 |  | 16
Net earnings from discontinued operations, net of tax |  | 139 |  | 197
Net earnings attributable to noncontrolling interests |  | 90 |  | 134
Net earnings from discontinued operations, attributable to Devon |  | $ 49 |  | $ 63

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