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Equity - Noncontrolling Interests Narrative (Details)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Mar. 30, 2012
USD ($)
well
Dec. 31, 2017
USD ($)
well
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
Mar. 31, 2012
shares
Nov. 30, 2011
shares
Noncontrolling Interest [Line Items]            
Payments for (Proceeds from) Investments | $   $ 0 $ 0 $ 1    
Common Stock, Shares, Issued | shares   908,732,809 896,279,353      
Noncontrolling interests | $   $ 124 $ 128      
Net income attributable to noncontrolling interests | $   $ 4 $ (9) (68)    
Common Stock, Par or Stated Value Per Share | $ / shares   $ 0.01 $ 0.01      
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member]            
Noncontrolling Interest [Line Items]            
Net income attributable to noncontrolling interests | $   $ 4 $ 9 68    
Common Stock, Shares, Outstanding | shares   46,750,000        
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions   51.00%        
Noncontrolling Interest, Chesapeake Cleveland Tonkawa Limited Liability Company [Member]            
Noncontrolling Interest [Line Items]            
Payments for (Proceeds from) Investments | $ $ 1,250          
Preferred Stock, Shares Issued | shares         1,250,000  
Overriding royalty interest percentage         3.75%  
Net income attributable to noncontrolling interests | $       $ 50    
Unit Distribution, Common Unit [Member] | Noncontrolling Interest, Chesapeake Granite Wash Trust [Member]            
Noncontrolling Interest [Line Items]            
Common Stock, Shares, Issued | shares           23,000,000
Common Stock, Shares, Outstanding | shares   12,062,500        
Unit Distribution, Subordinated Units [Member] | Noncontrolling Interest, Chesapeake Granite Wash Trust [Member]            
Noncontrolling Interest [Line Items]            
Common Stock, Shares, Outstanding | shares   11,687,500        
ORRI [Member] | Noncontrolling Interest, Chesapeake Utica L L C [Member]            
Noncontrolling Interest [Line Items]            
Wells | well   1,500        
Minimum [Member] | ORRI [Member] | Noncontrolling Interest, Chesapeake Utica L L C [Member]            
Noncontrolling Interest [Line Items]            
Wells | well   1,300        
Wells, Drilled Wells [Member] | ORRI [Member] | Noncontrolling Interest, Chesapeake Utica L L C [Member]            
Noncontrolling Interest [Line Items]            
Wells | well   572        
Wells, Future Wells [Member] | Noncontrolling Interest, Chesapeake Cleveland Tonkawa Limited Liability Company [Member]            
Noncontrolling Interest [Line Items]            
Wells | well 1,000