Advisement Period

No definition available.

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Namespace Prefix:	chk_
Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.25)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LitigationReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ References

+ Details

Name:	us-gaap_LossContingencyAccrualProvision
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_LitigationCaseAxis=chk_MichiganAntitrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationCaseAxis=chk_MichiganFalsePretensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationCaseAxis=chk_MichiganLandownersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationCaseAxis=chk_Redemptionof2019NotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationCaseAxis=chk_OklahomaRoyaltySettlementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_SettledLitigationMember
Namespace Prefix:
Data Type:	na
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Period Type:

Contingencies - Narrative (Details) $ in Millions		3 Months Ended		6 Months Ended
Contingencies - Narrative (Details) $ in Millions	Apr. 24, 2015 misdemeanor	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Provision for legal contingencies		$ 334	$ 0	$ 359	$ 0
Michigan Antitrust [Member]
Loss Contingencies [Line Items]
Loss Contingency, Claims Settled, Number \| misdemeanor	1
Michigan False Pretenses [Member]
Loss Contingencies [Line Items]
Loss Contingency, Claims Settled, Number \| misdemeanor	1
Michigan Landowners [Member]
Loss Contingencies [Line Items]
Advisement Period	11 months
Michigan Landowners [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Provision for legal contingencies				25
Redemption of 2019 Notes [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability		439		439		$ 100
Redemption of 2019 Notes [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability						100
Provision for legal contingencies		339
Oklahoma Royalty Settlement [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability		$ 114		$ 114		119
Oklahoma Royalty Settlement [Member] \| Settled Litigation [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability						$ 119