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Equity - Noncontrolling Interests Narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended	12 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 30, 2012 well	Mar. 30, 2012 acre	Jun. 30, 2014 well	Oct. 31, 2011 acre	Dec. 31, 2011 County	Dec. 31, 2011	Mar. 31, 2012	Nov. 30, 2011
Noncontrolling Interest [Line Items]
Payments for (Proceeds from) Investments	$ 17	$ 44	$ 395
Restricted cash and cash equivalents, current	38	75
Stockholders' Equity Attributable to Noncontrolling Interest	1,302us-gaap_MinorityInterest	2,145us-gaap_MinorityInterest
Net income attributable to noncontrolling interests	139	170	175
Preferred Stock Redemption Premium	447us-gaap_PreferredStockRedemptionPremium	69us-gaap_PreferredStockRedemptionPremium	0us-gaap_PreferredStockRedemptionPremium
Common Stock, Shares, Issued	664,944,232us-gaap_CommonStockSharesIssued	666,192,371us-gaap_CommonStockSharesIssued	666,468,000us-gaap_CommonStockSharesIssued					660,888,000us-gaap_CommonStockSharesIssued	660,888,000us-gaap_CommonStockSharesIssued
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member]
Noncontrolling Interest [Line Items]
Number Of Net Acres					245,000
Payments for (Proceeds from) Investments			1,250
Preferred Stock, Shares Issued			1,250,000
Number of Wells, Net				1,000
Overriding Royalty Interest Percentage	3.75%									3.75%
Restricted cash and cash equivalents, current	38	38
Preferred Stock, Dividend Rate, Percentage	6.00%
Preferred Stock, Dividends, Per Share, Cash Paid	$ 1,000
Distribution of Excess Cash	100.00%
Percentage of internal rate of return	9.00%
Internal return on investment, multiplier	1.35
Preferred Stock, Redemption Price Per Share	$ 1,185	$ 1,245
Acre Spacing	160
Stockholders' Equity Attributable to Noncontrolling Interest	1,015
Net income attributable to noncontrolling interests	75	75	57
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum [Member]
Noncontrolling Interest [Line Items]
Days in Notice	45
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Maximum, March 31, 2019 [Member]
Noncontrolling Interest [Line Items]
Percentage of internal rate of return	15.00%
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Six-Month Period Through 2013 [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net Decimal	37.5
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Six-Month Period in 2014 Through 2016 [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	25
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Cumulative Well Total [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	300
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Six-Month Period of April 1, 2014 - June 30,2014 [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net Decimal						162.5
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Six-Month Period of June 30,2014 Through December 31, 2014 [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net Decimal	175.0
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Six Month Period, 1.1.15 - 6.30.15 [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	225
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Minimum, Six Month Periods, 7.1.15 - 12.31.17 [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	25
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Maximum, Two Consecutive Six-Month Periods [Member]
Noncontrolling Interest [Line Items]
Percentage of internal rate of return	3.00%
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Maximum, Four Consecutive Six-Month Periods [Member]
Noncontrolling Interest [Line Items]
Percentage of internal rate of return	3.00%
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Wells, Future Wells [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net				1,000
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Wells, Qualified Wells [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	17	77	84
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Wells, Percentage Increase in Future Net Wells [Member] \| Minimum [Member]
Noncontrolling Interest [Line Items]
Percentage of increase in leasehold in which commitment to drill is not met	5.00%
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Wells, Drilled Wells [Member] \| Minimum [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	867
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Preferred Stock [Member]
Noncontrolling Interest [Line Items]
Preferred Stock, Dividend Rate, Percentage	6.00%
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Cash Distribution [Member]
Noncontrolling Interest [Line Items]
Payments for (Proceeds from) Investments					225
Distribution of Excess Cash	75.00%
Noncontrolling Interest, Chesapeake Cleveland Tonkawa L.L.C [Member] \| Share Distribution [Member]
Noncontrolling Interest [Line Items]
Payments for (Proceeds from) Investments					1,025
Distribution of Excess Cash	25.00%
Noncontrolling Interest, Chesapeake Utica L L C [Member]
Noncontrolling Interest [Line Items]
Number Of Net Acres							700,000
Payments for (Proceeds from) Investments								1,250
Preferred Stock, Shares Issued								1,250,000	1,250,000
Number of Wells, Net	1,500
Overriding Royalty Interest Percentage								3.00%	3.00%
Preferred Stock, Redemption Price Per Share	$ 1,189
Percentage of increase in leasehold in which commitment to drill is not met	4.00%
Stockholders' Equity Attributable to Noncontrolling Interest	0	807
Net income attributable to noncontrolling interests	43	79	88
Number of counties present in the leasehold land (Counties)								13
Payments for Repurchase of Preferred Stock and Preference Stock	1,254
Preferred Stock Redemption Premium	447
Spacing for Wells Drilled	150
Noncontrolling Interest, Chesapeake Utica L L C [Member] \| Minimum [Member]
Noncontrolling Interest [Line Items]
Number of Wells, Net	1,300
Noncontrolling Interest, Chesapeake Utica L L C [Member] \| Wells, Percentage Increase in Future Net Wells [Member]
Noncontrolling Interest [Line Items]
Percentage of increase in leasehold in which commitment to drill is not met	4.00%
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member]
Noncontrolling Interest [Line Items]
Number Of Net Acres	29,000
Stockholders' Equity Attributable to Noncontrolling Interest	287	314
Net income attributable to noncontrolling interests	24	20	35
Percentage Of Beneficial Interest Owned	51.00%
Common stock, par value (usd per share)											$ 19.00
Common shares, outstanding	46,750,000
Number of producing wells	69
Number of development wells drilled	102	82
Number Of Gross Acres	45,400
Maximum amount recoverable by trust under lien	$ 36	$ 79							$ 263
Percentage of incentive distributions received	50.00%
Percentage of remaining cash available for distribution in excess of the incentive threshold	50.00%
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member] \| Minimum [Member]
Noncontrolling Interest [Line Items]
Percentage of proceeds from royalty interest conveyed to trust	50.00%
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member] \| Maximum [Member]
Noncontrolling Interest [Line Items]
Percentage of proceeds from royalty interest conveyed to trust	90.00%
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member] \| Wells, Initial Number of Wells [Member]
Noncontrolling Interest [Line Items]
Number of development wells drilled	118
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member] \| Common Unit [Member]
Noncontrolling Interest [Line Items]
Common Stock, Shares, Issued											23,000,000
Common shares, outstanding	12,062,500
Noncontrolling Interest, Chesapeake Granite Wash Trust [Member] \| Subordinated Units [Member]
Noncontrolling Interest [Line Items]
Common shares, outstanding	11,687,500