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Change in Accounting Principle - Statements of Operations (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | $ 8,595 | $ 10,030 | $ 10,039
Gains (losses) on sales of assets | 43 | (264) | 476
General and administrative | 315 | 335 | 333
Depreciation, depletion and amortization | 2,264 | 1,737 | 1,697
Gain on sale of oil and natural gas properties | 0 | 0 |
Impairments | 11 | 131 | 814
Other operating expense | 92 | 0 | 416
Total Operating Expenses | 8,626 | 9,648 | 10,177
Income from operations | (31) | 382 | (138)
Interest expense | (651) | (633) | (601)
Other income | 39 | 67 | 6
Total Other Expense | (608) | (164) | (362)
INCOME (LOSS) BEFORE INCOME TAXES | (639) | 218 | (500)
NET INCOME (LOSS) | (308) | 228 | (502)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 0 | (2) | (3)
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE | (308) | 226 | (505)
Earnings allocated to participating securities | 0 | (1) | 0
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS | $ (416) | $ 133 | $ (631)
Earnings (loss) per common share basic (in usd per share) | $ (0.25) | $ 0.15 | $ (0.70)
Earnings (loss) per common share diluted (in usd per share) | $ (0.25) | $ 0.15 | $ (0.70)
Other |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | $ 63 | $ 63 | $ 67
Exploration |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Cost of goods and services | 84 | 162 | 235
As Previously Reported Under Full Cost |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | 8,489 | 10,231 | 9,496
Gains (losses) on sales of assets | 0 | 0 | 0
General and administrative | 258 | 280 | 262
Depreciation, depletion and amortization | 1,616 | 1,145 | 995
Gain on sale of oil and natural gas properties | (15) | 578 |
Impairments | 344 | 53 | 5
Other operating expense | 94 | 10 | 413
Total Operating Expenses | 8,157 | 9,349 | 8,357
Income from operations | 332 | 882 | 1,139
Interest expense | (487) | (487) | (426)
Other income | 31 | 70 | 9
Total Other Expense | (452) | (15) | (184)
INCOME (LOSS) BEFORE INCOME TAXES | (120) | 867 | 955
NET INCOME (LOSS) | 211 | 877 | 953
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | (2) | (4) | (4)
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE | 209 | 873 | 949
Earnings allocated to participating securities |  | (6) | (10)
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS | $ 101 | $ 775 | $ 813
Earnings (loss) per common share basic (in usd per share) | $ 0.06 | $ 0.85 | $ 0.90
Earnings (loss) per common share diluted (in usd per share) | $ 0.06 | $ 0.85 | $ 0.90
As Previously Reported Under Full Cost | Other |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | $ 0 | $ 0 | $ 0
As Previously Reported Under Full Cost | Exploration |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Cost of goods and services | 0 | 0 | 0
Successful Efforts Adjustment |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | 106 | (201) | 543
Gains (losses) on sales of assets | 43 | (264) | 476
General and administrative | 57 | 55 | 71
Depreciation, depletion and amortization | 648 | 592 | 702
Gain on sale of oil and natural gas properties | 15 | (578) |
Impairments | (333) | 78 | 809
Other operating expense | (2) | (10) | 3
Total Operating Expenses | 469 | 299 | 1,820
Income from operations | (363) | (500) | (1,277)
Interest expense | (164) | (146) | (175)
Other income | 8 | (3) | (3)
Total Other Expense | (156) | (149) | (178)
INCOME (LOSS) BEFORE INCOME TAXES | (519) | (649) | (1,455)
NET INCOME (LOSS) | (519) | (649) | (1,455)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 2 | 2 | 1
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE | (517) | (647) | (1,454)
Earnings allocated to participating securities |  | 5 | 10
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS | $ (517) | $ (642) | $ (1,444)
Earnings (loss) per common share basic (in usd per share) | $ (0.31) | $ (0.70) | $ (1.60)
Earnings (loss) per common share diluted (in usd per share) | $ (0.31) | $ (0.70) | $ (1.60)
Successful Efforts Adjustment | Other |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Revenues | $ 63 | $ 63 | $ 67
Successful Efforts Adjustment | Exploration |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Cost of goods and services | $ 84 | $ 162 | $ 235

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