Commitments - Narrative (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended															12 Months Ended					12 Months Ended
	Apr. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Chesapeake Utica L L C [Member] well	Dec. 31, 2013 Chesapeake Utica L L C [Member] well	Dec. 31, 2013 Minimum Chesapeake Utica L L C [Member]	Dec. 31, 2013 Maximum Chesapeake Utica L L C [Member]	Dec. 31, 2012 Net Acreage Shortfall [Member] acre	Dec. 31, 2013 Net Acreage Shortfall [Member] Scenario, Forecast [Member] acre	Dec. 31, 2013 Net Acreage Maintenance Commitment [Member]	Dec. 31, 2012 Net Acreage Maintenance Commitment [Member]	Dec. 31, 2013 Drilling Rigs [Member] Rigs	Dec. 31, 2013 Drilling Rigs [Member] Year of 2013 [Member] Rigs	Dec. 31, 2013 Drilling Rigs [Member] Minimum	Dec. 31, 2013 Drilling Rigs [Member] Maximum	Dec. 31, 2013 Equipment Rigs	Dec. 31, 2013 Compressor [Member] Compressor	Dec. 31, 2013 Leasehold Improvements [Member]	Dec. 31, 2013 Compressor [Member]	Dec. 31, 2013 Compressor [Member] Equipment Leased [Member] Compressor	Dec. 31, 2013 Drilling Rigs [Member]	Dec. 31, 2012 Drilling Rigs [Member]	Dec. 31, 2013 Drilling Rigs [Member] Equipment Leased [Member] Rigs	Dec. 31, 2013 Oilfield Services and Other [Member]	Dec. 31, 2013 Property, Plant and Equipment, Other Types	Dec. 31, 2013 Gas Gathering and Processing Equipment [Member]	Dec. 31, 2012 Gas Gathering and Processing Equipment [Member]	Dec. 31, 2011 Gas Gathering and Processing Equipment [Member]	Dec. 31, 2013 Third Party [Member]
Long-term Purchase Commitment [Line Items]
Equipment, Number of Units																					1,781			45
Number Of Drilling Rigs Leased																	8
Number of repurchased equipment													23	23				541
Lease Term															6 months	3 years
Other Commitment		$ 375											$ 142					$ 73		$ 260		$ 76				$ 39
Gain (Loss) on Contract Termination																						22								15
Payments to Acquire Property, Plant, and Equipment													141					97				141
Impairment of Long-Lived Assets to be Disposed of																			22			27	26				22	6	43
Minimum committed wells per year					90
Minimum committed wells per year, year one					270
Minimum committed wells per year, year two					540
Number of spud wells						423
Drilling carrying percentage, previous amount								60.00%
Drilling carrying percentage, current amount							45.00%
Other Commitment																									30		17,190
Net Acreage Shortfall									13,000	14,000
Other Asset Impairment Charges		87									2	26														16	26
Amount Payable On Each Short Of Drilling Commitment		0
Guaranteed gross profit margin	10.00%
Operating Leases, Rent Expense		$ 158	$ 185	$ 184