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Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies, Condensed Consolidated Income Statement Restatements Table (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Provision for legal contingencies | $ (2) | $ 33
Oil, natural gas and NGL depreciation, depletion and amortization | 197 | 263
Impairment of oil and natural gas properties | 0 | 997
Total operating expenses | 2,512 | 3,052
Loss from operations | 241 | (1,099)
Loss before income taxes | 142 | (1,068)
Net loss | 141 | (1,068)
Net loss attributable to Chesapeake | 140 | (1,068)
Net loss available to common stockholders | $ 75 | $ (1,111)
Earnings (loss) per common share basic | $ 0.08 | $ (1.66)
Earnings (loss) per common share diluted | $ 0.08 | $ (1.66)
Scenario, Previously Reported [Member] |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Provision for legal contingencies |  | $ 22
Oil, natural gas and NGL depreciation, depletion and amortization |  | 271
Impairment of oil and natural gas properties |  | 853
Total operating expenses |  | 2,905
Loss from operations |  | (952)
Loss before income taxes |  | (921)
Net loss |  | (921)
Net loss attributable to Chesapeake |  | (921)
Net loss available to common stockholders |  | $ (964)
Earnings (loss) per common share basic |  | $ (1.44)
Earnings (loss) per common share diluted |  | $ (1.44)
Restatement Adjustment [Member] |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Provision for legal contingencies |  | $ 11
Oil, natural gas and NGL depreciation, depletion and amortization |  | (8)
Impairment of oil and natural gas properties |  | 144
Total operating expenses |  | 147
Loss from operations |  | (147)
Loss before income taxes |  | (147)
Net loss |  | (147)
Net loss attributable to Chesapeake |  | (147)
Net loss available to common stockholders |  | $ (147)
Earnings (loss) per common share basic |  | $ (0.22)
Earnings (loss) per common share diluted |  | $ (0.22)

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