Other Liabilities - Long-Term Table (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($) well	Dec. 31, 2015 USD ($)
Other Long-Term Liabilities [Line Items]
Financing obligations	$ 0	$ 29
Other long-term liabilities	151	126
Total other long-term liabilities	419	409
Total other current liabilities	1,632	2,219
Other Noncurrent Liabilities [Member]
Other Long-Term Liabilities [Line Items]
Unrecognized Tax Benefits	93	64
Noncontrolling Interest, Chesapeake Utica L L C [Member]
Other Long-Term Liabilities [Line Items]
Conveyance Obligation Noncurrent	175	190
Total other long-term liabilities	204	211
Total other current liabilities	$ 29	$ 21
Noncontrolling Interest, Chesapeake Utica L L C [Member] | ORRI [Member]
Other Long-Term Liabilities [Line Items]
Overriding Royalty Interest Percentage	3.00%
Number of Wells, Net | well	1,500
Percentage Of Increase In Leasehold In Which Commitment To Drill Is Not Met	4.00%