Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies, Condensed Consolidated Statements of Comprehensive Income (Loss) Restatements Table (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ 141	$ (1,068)
Comprehensive loss	155	(1,068)
Comprehensive loss attributable to Chesapeake	$ 154	(1,068)
Scenario, Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(921)
Comprehensive loss		(921)
Comprehensive loss attributable to Chesapeake		(921)
Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(147)
Comprehensive loss		(147)
Comprehensive loss attributable to Chesapeake		$ (147)