Condensed Consolidating Financial Information - Balance Sheet Table (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 2,051	$ 4,108	$ 1,462	$ 837
Restricted cash	38	38
Other current assets	254	207
Intercompany receivable, net	0	0
Total Current Assets	4,231	7,468
PROPERTY AND EQUIPMENT:
Oil and natural gas properties, at cost based on full cost accounting, net	21,284	30,143
Other property and equipment, net	2,238	2,279
Property and equipment held for sale, net	93	93
Total Property and Equipment, Net	23,615	32,515
LONG-TERM ASSETS:
Other long-term assets	311	497
Investments in subsidiaries and intercompany advances	0	0
TOTAL ASSETS	28,598	40,751
CURRENT LIABILITIES:
Current liabilities	2,649	3,061
Intercompany payable, net	0	0
Total Current Liabilities	5,128	5,863
LONG-TERM LIABILITIES:
Long-term debt, net	10,655	11,154
Deferred income tax liabilities	1,408	4,185
Other long-term liabilities	549	679
Total Long-Term Liabilities	13,227	16,683
EQUITY:
Chesapeake stockholders’ equity	8,958	16,903
Noncontrolling interests	1,285	1,302
Total Equity	10,243	18,205	18,325
TOTAL LIABILITIES AND EQUITY	28,598	40,751
Parent Company Member]
CURRENT ASSETS:
Cash and cash equivalents	2,148	4,100	1,396	799
Restricted cash	0	0
Other current assets	78	55
Intercompany receivable, net	24,917	24,527
Total Current Assets	27,143	28,682
PROPERTY AND EQUIPMENT:
Oil and natural gas properties, at cost based on full cost accounting, net	0	0
Other property and equipment, net	0	0
Property and equipment held for sale, net	0	0
Total Property and Equipment, Net	0	0
LONG-TERM ASSETS:
Other long-term assets	121	153
Investments in subsidiaries and intercompany advances	(5,967)	126
TOTAL ASSETS	21,297	28,961
CURRENT LIABILITIES:
Current liabilities	1,547	792
Intercompany payable, net	0	0
Total Current Liabilities	1,547	792
LONG-TERM LIABILITIES:
Long-term debt, net	10,655	11,154
Deferred income tax liabilities	0	0
Other long-term liabilities	137	112
Total Long-Term Liabilities	10,792	11,266
EQUITY:
Chesapeake stockholders’ equity	8,958	16,903
Noncontrolling interests	0	0
Total Equity	8,958	16,903
TOTAL LIABILITIES AND EQUITY	21,297	28,961
Guarantor Subsidiaries [Member]
CURRENT ASSETS:
Cash and cash equivalents	1	2	0	0
Restricted cash	0	0
Other current assets	2,013	3,174
Intercompany receivable, net	0	0
Total Current Assets	2,014	3,176
PROPERTY AND EQUIPMENT:
Oil and natural gas properties, at cost based on full cost accounting, net	19,478	28,358
Other property and equipment, net	2,237	2,276
Property and equipment held for sale, net	93	93
Total Property and Equipment, Net	21,808	30,727
LONG-TERM ASSETS:
Other long-term assets	614	618
Investments in subsidiaries and intercompany advances	188	467
TOTAL ASSETS	24,624	34,988
CURRENT LIABILITIES:
Current liabilities	3,653	5,081
Intercompany payable, net	24,785	24,940
Total Current Liabilities	28,438	30,021
LONG-TERM LIABILITIES:
Long-term debt, net	0	0
Deferred income tax liabilities	1,263	3,751
Other long-term liabilities	890	1,090
Total Long-Term Liabilities	2,153	4,841
EQUITY:
Chesapeake stockholders’ equity	(5,967)	126
Noncontrolling interests	0	0
Total Equity	(5,967)	126
TOTAL LIABILITIES AND EQUITY	24,624	34,988
Non-Guarantor Subsidiaries [Member]
CURRENT ASSETS:
Cash and cash equivalents	30	84	91	38
Restricted cash	38	38
Other current assets	51	93
Intercompany receivable, net	365	341
Total Current Assets	484	556
PROPERTY AND EQUIPMENT:
Oil and natural gas properties, at cost based on full cost accounting, net	716	1,112
Other property and equipment, net	1	3
Property and equipment held for sale, net	0	0
Total Property and Equipment, Net	717	1,115
LONG-TERM ASSETS:
Other long-term assets	27	26
Investments in subsidiaries and intercompany advances	0	0
TOTAL ASSETS	1,228	1,697
CURRENT LIABILITIES:
Current liabilities	56	68
Intercompany payable, net	0	0
Total Current Liabilities	56	68
LONG-TERM LIABILITIES:
Long-term debt, net	0	0
Deferred income tax liabilities	78	234
Other long-term liabilities	137	142
Total Long-Term Liabilities	215	376
EQUITY:
Chesapeake stockholders’ equity	957	1,253
Noncontrolling interests	0	0
Total Equity	957	1,253
TOTAL LIABILITIES AND EQUITY	1,228	1,697
Eliminations [Member]
CURRENT ASSETS:
Cash and cash equivalents	(128)	(78)	$ (25)	$ 0
Restricted cash	0	0
Other current assets	0	0
Intercompany receivable, net	(25,282)	(24,868)
Total Current Assets	(25,410)	(24,946)
PROPERTY AND EQUIPMENT:
Oil and natural gas properties, at cost based on full cost accounting, net	1,090	673
Other property and equipment, net	0	0
Property and equipment held for sale, net	0	0
Total Property and Equipment, Net	1,090	673
LONG-TERM ASSETS:
Other long-term assets	(10)	(29)
Investments in subsidiaries and intercompany advances	5,779	(593)
TOTAL ASSETS	(18,551)	(24,895)
CURRENT LIABILITIES:
Current liabilities	(128)	(78)
Intercompany payable, net	(24,785)	(24,940)
Total Current Liabilities	(24,913)	(25,018)
LONG-TERM LIABILITIES:
Long-term debt, net	0	0
Deferred income tax liabilities	67	200
Other long-term liabilities	0	0
Total Long-Term Liabilities	67	200
EQUITY:
Chesapeake stockholders’ equity	5,010	(1,379)
Noncontrolling interests	1,285	1,302
Total Equity	6,295	(77)
TOTAL LIABILITIES AND EQUITY	(18,551)	(24,895)
Consolidated Entities [Member]
CURRENT ASSETS:
Other current assets	2,142	3,322
LONG-TERM ASSETS:
Other long-term assets	752	768
CURRENT LIABILITIES:
Current liabilities	5,128	5,863
LONG-TERM LIABILITIES:
Other long-term liabilities	$ 1,164	$ 1,344