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Basis of Presentation (Tables)
9 Months Ended
Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Error Corrections and Prior Period Adjustments The net impact of these noncash corrections to the Company's previously reported consolidated financial statements for the three and nine months ended September 30, 2020 is as follows (in millions, except for per share data):
As ReportedAdjustmentsAs Restated
Three Months EndedNine Months EndedThree Months EndedNine Months EndedThree Months EndedNine Months Ended
Oil and gas revenues$922 $2,617 $— $— $922 $2,617 
Derivative gain (loss), net$(57)$60 $(84)$(101)$(141)$(41)
Total revenues and other income$1,815 $4,930 $(84)$(101)$1,731 $4,829 
Total costs and expenses1,831 5,118 — — 1,831 5,118 
Loss before income taxes(16)(188)(84)(101)(100)(289)
Income tax benefit (provision)(4)18 19 28 15 46 
Net loss$(20)$(170)$(65)$(73)$(85)$(243)
Basic and diluted net loss per share attributable to common stockholders$(0.12)$(1.03)$(0.40)$(0.44)$(0.52)$(1.47)