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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
REVENUES AND OTHER: |  |  |  |
Total revenues |  | $ 5,296 | $ 8,595 | $ 10,030
Gains (losses) on sales of assets |  | 30 | 43 | (264)
OPERATING EXPENSES: |  |  |  |
Severance and ad valorem taxes |  | 149 | 224 | 189
General and administrative |  | 267 | 315 | 335
Separation and other termination costs |  | 44 | 12 | 38
Provision for legal contingencies |  | 27 | 19 | 26
Depreciation, depletion and amortization |  | 1,097 | 2,264 | 1,737
Impairments |  | 8,535 | 11 | 131
Other operating expense |  | 109 | 92 | 0
Total Operating Expenses |  | 13,999 | 8,626 | 9,648
INCOME (LOSS) FROM OPERATIONS |  | (8,703) | (31) | 382
OTHER INCOME (EXPENSE): |  |  |  |
Interest expense |  | (331) | (651) | (633)
Gains (losses) on investments |  | (20) | (71) | 139
Gains on purchases or exchanges of debt |  | 65 | 75 | 263
Other income |  | 16 | 39 | 67
Reorganization items, net |  | (796) | 0 | 0
Total Other Expense |  | (1,066) | (608) | (164)
INCOME (LOSS) BEFORE INCOME TAXES |  | (9,769) | (639) | 218
Current income taxes |  | (9) | (26) | 0
Deferred income taxes |  | (10) | (305) | (10)
Total Income Tax Expense (Benefit) |  | (19) | (331) | (10)
NET INCOME (LOSS) |  | (9,750) | (308) | 228
Net (income) loss attributable to noncontrolling interests |  | 16 | 0 | (2)
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE |  | (9,734) | (308) | 226
Preferred stock dividends |  | (22) | (91) | (92)
Loss on exchange of preferred stock |  | 0 | (17) | 0
Earnings allocated to participating securities |  | 0 | 0 | (1)
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS |  | $ (9,756) | $ (416) | $ 133
EARNINGS (LOSS) PER COMMON SHARE: |  |  |  |
Basic (in usd per share) | [1] | $ (998.26) | $ (49.97) | $ 29.26
Diluted (in usd per share) | [1] | $ (998.26) | $ (49.97) | $ 29.26
WEIGHTED AVERAGE COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING (in thousands):(a) |  |  |  |
Basic (in shares) | [1] | 9,773 | 8,325 | 4,546
Diluted (in shares) | [1] | 9,773 | 8,325 | 4,546
Oil, Natural Gas and NGL |  |  |  |
REVENUES AND OTHER: |  |  |  |
Total revenues |  | $ 3,341 | $ 4,522 | $ 5,155
Oil, natural gas and NGL production |  |  |  |
OPERATING EXPENSES: |  |  |  |
Cost of goods and services |  | 373 | 520 | 474
Oil, natural gas and NGL gathering, processing and transportation |  |  |  |
OPERATING EXPENSES: |  |  |  |
Cost of goods and services |  | 1,082 | 1,082 | 1,398
Marketing |  |  |  |
REVENUES AND OTHER: |  |  |  |
Total revenues |  | 1,869 | 3,967 | 5,076
OPERATING EXPENSES: |  |  |  |
Cost of goods and services |  | 1,889 | 4,003 | 5,158
Oil, Natural gas and NGL and Marketing |  |  |  |
REVENUES AND OTHER: |  |  |  |
Total revenues |  | 5,210 | 8,489 | 10,231
Other |  |  |  |
REVENUES AND OTHER: |  |  |  |
Total revenues |  | 56 | 63 | 63
Exploration |  |  |  |
OPERATING EXPENSES: |  |  |  |
Cost of goods and services |  | $ 427 | $ 84 | $ 162
[1] | Amounts and shares have been retroactively adjusted to reflect a 1-for-200 (1:200) reverse stock split effective April 14, 2020. See Note 11 for additional information.

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