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Change in Accounting Principle - Statements of Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Net income (loss) | $ (308) | $ 228 | $ (502)
Comprehensive income (loss) | (273) | 262 | (463)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 0 | (2) | (3)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE | (273) | 260 | (466)
As Previously Reported Under Full Cost |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Net income (loss) | 211 | 877 | 953
Comprehensive income (loss) | 246 | 911 | 992
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | (2) | (4) | (4)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE | 244 | 907 | 988
Successful Efforts Adjustment |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Net income (loss) | (519) | (649) | (1,455)
Comprehensive income (loss) | (519) | (649) | (1,455)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 2 | 2 | 1
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE | $ (517) | $ (647) | $ (1,454)

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