-Network: (101 - Statement - Statement Of Financial Position Classified)

-Statement of Financial Position [Abstract] {ID1}

-Statement [Table] {ID2}

-Statement [Line Items] {ID3}

-ASSETS {ID4}

-CURRENT ASSETS: {ID5}

Cash and cash equivalents {ID6}

Accounts receivable {ID7}

Short-term derivative instruments {ID8}

Other {ID9}

Total Current Assets {ID10}

-PROPERTY AND EQUIPMENT: {ID11}

-Natural gas and oil properties, at cost based on full-cost accounting: {ID12}

Evaluated natural gas and oil properties {ID13}

Unevaluated properties {ID14}

Less: accumulated depreciation, depletion and amortization of natural gas and oil properties {ID15}

Total natural gas and oil properties, at cost based on full-cost accounting {ID16}

-Other property and equipment: {ID17}

Natural gas gathering systems and treating plants {ID18}

Buildings and land {ID19}

Drilling rigs and equipment {ID20}

Natural gas compressors {ID21}

Other {ID22}

Less: accumulated depreciation and amortization of other property and equipment {ID23}

Total Other Property and Equipment {ID24}

Total Property and Equipment {ID25}

-OTHER ASSETS: {ID26}

Investments {ID27}

Long-term derivative instruments {ID28}

Other assets {ID29}

Total Other Assets {ID30}

TOTAL ASSETS {ID31}

-LIABILITIES AND STOCKHOLDERS' EQUITY {ID32}

-CURRENT LIABILITIES: {ID33}

Accounts payable {ID34}

Short-term derivative instruments {ID35}

Accrued liabilities {ID36}

Deferred income taxes {ID37}

Income taxes payable {ID38}

Revenues and royalties due others {ID39}

Accrued interest {ID40}

Total Current Liabilities {ID41}

-LONG-TERM LIABILITIES: {ID42}

Long-term debt, net {ID43}

Deferred income tax liabilities {ID44}

Asset retirement obligations {ID45}

Long-term derivative instruments {ID46}

Other liabilities {ID47}

Total Long-Term Liabilities {ID48}

CONTINGENCIES AND COMMITMENTS (Note 3) {ID49}

-STOCKHOLDERS' EQUITY: {ID50}

Common Stock, $0.01 par value, 1,000,000,000 and 750,000,000 shares authorized, 630,251,782 and 607,953,437 shares issued at June 30, 2009 and December 31, 2008, respectively {ID51}

Paid-in capital {ID52}

Retained earnings (deficit) {ID53}

Accumulated other comprehensive income (loss), net of tax of ($267) million and ($163) million, respectively {ID54}

Less: treasury stock, at cost; 718,800 and 657,276 common shares as of June 30, 2009 and December 31, 2008, respectively {ID55}

Total Stockholders' Equity {ID56}

Preferred Stock {ID57}

TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY {ID58}

-Class of Stock [Domain] {ID59}

Preferred Stock {ID60}

4.50% cumulative convertible preferred stock {ID61}

5.00% cumulative convertible preferred stock (series 2005B) {ID62}

5.00% cumulative convertible preferred stock (series 2005) {ID63}

6.25% mandatory convertible preferred stock {ID64}

4.125% cumulative convertible preferred stock {ID65}

-Network: (102 - Statement - Statement Of Financial Position Classified (Parenthetical))

-Statement of Financial Position [Abstract] {ID66}

-Statement [Table] {ID67}

-Statement [Line Items] {ID68}

Preferred Stock, par value {ID69}

Preferred Stock, shares authorized {ID70}

Preferred Stock, shares issued {ID71}

Preferred Stock, shares outstanding {ID72}

Preferred Stock amount entitled in liquidation {ID73}

Common Stock, par value {ID74}

Common Stock, shares authorized {ID75}

Common Stock, shares issued {ID76}

Accumulated other comprehensive income (loss), tax {ID77}

Treasury stock shares {ID78}

-Class of Stock [Domain] {ID79}

Preferred Stock {ID80}

4.50% cumulative convertible preferred stock {ID81}

5.00% cumulative convertible preferred stock (series 2005B) {ID82}

5.00% cumulative convertible preferred stock (series 2005) {ID83}

6.25% mandatory convertible preferred stock {ID84}

4.125% cumulative convertible preferred stock {ID85}

-Network: (103 - Statement - Statement Of Income Alternative)

-Income Statement [Abstract] {ID86}

-Statement [Table] {ID87}

-Statement [Line Items] {ID88}

-REVENUES: {ID89}

Natural gas and oil sales {ID90}

Natural gas and oil marketing sales {ID91}

Service operations revenue {ID92}

Total Revenues {ID93}

-OPERATING COSTS: {ID94}

Production expenses {ID95}

Production taxes {ID96}

General and administrative expenses {ID97}

Natural gas and oil marketing expenses {ID98}

Service operations expense {ID99}

Natural gas and oil depreciation, depletion and amortization {ID100}

Depreciation and amortization of other assets {ID101}

Impairment of natural gas and oil properties and other assets {ID102}

Restructuring costs {ID103}

Total Operating Costs {ID104}

INCOME (LOSS) FROM OPERATIONS {ID105}

-OTHER INCOME (EXPENSE): {ID106}

Other income (expense) {ID107}

Interest expense {ID108}

Impairment of investments {ID109}

Loss on exchanges of Chesapeake debt {ID110}

Total Other Income (Expense) {ID111}

INCOME (LOSS) BEFORE INCOME TAXES {ID112}

-INCOME TAX EXPENSE (BENEFIT): {ID113}

Current income taxes {ID114}

Deferred income taxes {ID115}

Total Income Tax Expense (Benefit) {ID116}

NET INCOME (LOSS) {ID117}

PREFERRED STOCK DIVIDENDS {ID118}

LOSS ON CONVERSION/EXCHANGE OF PREFERRED STOCK {ID119}

NET INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS {ID120}

-EARNINGS (LOSS) PER COMMON SHARE: {ID121}

Basic {ID122}

Assuming dilution {ID123}

CASH DIVIDEND DECLARED PER COMMON SHARE {ID124}

-WEIGHTED AVERAGE COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING (in millions): {ID125}

Basic {ID126}

Assuming dilution {ID127}

-Network: (104 - Statement - Statement Of Cash Flows Indirect)

-Statement of Cash Flows [Abstract] {ID128}

-Statement [Table] {ID129}

-Statement [Line Items] {ID130}

-CASH FLOWS FROM OPERATING ACTIVITIES: {ID131}

NET INCOME (LOSS) {ID132}

-ADJUSTMENTS TO RECONCILE NET INCOME (LOSS) TO CASH PROVIDED BY OPERATING ACTIVITIES: {ID133}

Depreciation, depletion and amortization {ID134}

Deferred income taxes {ID135}

Impairments {ID136}

Unrealized (gains) losses on derivatives {ID137}

Realized (gains) losses on financing derivatives {ID138}

Stock-based compensation {ID139}

Interest expense on contingent convertible notes {ID140}

Restructuring costs {ID141}

Loss from equity investments {ID142}

Loss on exchanges of Chesapeake debt {ID143}

Other {ID144}

Change in assets and liabilities {ID145}

Cash provided by operating activities {ID146}

-CASH FLOWS FROM INVESTING ACTIVITIES: {ID147}

Exploration and development of natural gas and oil properties {ID148}

Acquisitions of natural gas and oil companies, proved and unproved properties and leasehold, net of cash acquired {ID149}

Interest capitalized on unproved properties {ID150}

Proceeds from sale of volumetric production payments {ID151}

Divestitures of proved and unproved properties and leasehold {ID152}

Additions to other property and equipment {ID153}

Proceeds from (additions to) investments {ID154}

Proceeds from sale of drilling rigs and equipment {ID155}

Proceeds from sale of compressors {ID156}

Deposits made for acquisitions {ID157}

Deposits received for divestitures {ID158}

Proceeds from sale of other assets {ID159}

Cash used in investing activities {ID160}

-CASH FLOWS FROM FINANCING ACTIVITIES: {ID161}

Proceeds from credit facility borrowings {ID162}

Payments on credit facility borrowings {ID163}

Proceeds from issuance of senior notes, net of offering costs {ID164}

Proceeds from issuance of common stock, net of offering costs {ID165}

Cash paid for common stock dividends {ID166}

Cash paid for preferred stock dividends {ID167}

Derivative settlements {ID168}

Net increase (decrease) in outstanding payments in excess of cash balance {ID169}

Proceeds from mortgage of building {ID170}

Proceeds from sale/leaseback of surface land {ID171}

Excess tax benefit from stock-based compensation {ID172}

Other {ID173}

Cash provided by financing activities {ID174}

Net decrease in cash and cash equivalents {ID175}

Cash and cash equivalents, beginning of period {ID176}

Cash and cash equivalents, end of period {ID177}

-SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION OF CASH PAYMENTS FOR: {ID178}

Interest, net of $314 million and $244 million of capitalized interest, respectively {ID179}

Income taxes, net of refunds received {ID180}

-Network: (105 - Statement - Statement Of Cash Flows Indirect (Parenthetical))

-Statement of Cash Flows [Abstract] {ID181}

-Statement [Table] {ID182}

-Statement [Line Items] {ID183}

Interest amount capitalized {ID184}

-Network: (106 - Statement - Statement Of Shareholders Equity And Other Comprehensive Income)

-Statement of Stockholders' Equity [Abstract] {ID185}

-Statement [Table] {ID186}

-Statement, Equity Components [Axis] {ID187}

-Equity Component [Domain] {ID188}

PREFERRED STOCK: {ID189}

COMMON STOCK: {ID190}

PAID-IN CAPITAL: {ID191}

RETAINED EARNINGS (DEFICIT): {ID192}

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS): {ID193}

TREASURY STOCK - COMMON: {ID194}

-Statement [Line Items] {ID195}

Balance, beginning of period {ID196}

Issuance of 15,823,838 and 0 shares of common stock for the purchase of proved and unproved properties and leasehold {ID197}

NET INCOME (LOSS) {ID198}

Exchange of common stock for 143,768 and 0 shares of 6.25% preferred stock {ID199}

Purchase of 64,242 and 0 shares for company benefit plans {ID200}

Hedging activity {ID201}

Issuance of 0 and 23,000,000 shares of common stock {ID202}

Exchange of common stock for 3,033 and 0 shares of 4.125% preferred stock {ID203}

Release of 2,718 and 1,098 shares for company benefit plans {ID204}

Investment activity {ID205}

Issuance of 2.25% contingent convertible senior notes due 2038 {ID206}

Exchange of common stock for 0 and 2,718,500 shares of 5.00% preferred stock (series 2005B) {ID207}

Exchange of 2,530,650 and 0 shares of common stock for convertible notes {ID208}

Exchange of 1,422,425 and 7,780,883 shares of common stock for preferred stock {ID209}

Stock-based compensation {ID210}

Exercise of stock options {ID211}

Offering expenses {ID212}

Dividends on common stock {ID213}

Dividends on preferred stock {ID214}

Tax benefit (reduction in tax benefit) from exercise of stock options and restricted stock {ID215}

Balance, end of period {ID216}

-Network: (107 - Statement - Statement Of Shareholders Equity And Other Comprehensive Income (Parenthetical))

-Statement of Stockholders' Equity [Abstract] {ID217}

-Statement [Table] {ID218}

-Statement, Equity Components [Axis] {ID219}

-Equity Component [Domain] {ID220}

PREFERRED STOCK: {ID221}

COMMON STOCK: {ID222}

PAID-IN CAPITAL: {ID223}

RETAINED EARNINGS (DEFICIT): {ID224}

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS): {ID225}

TREASURY STOCK - COMMON: {ID226}

-Statement [Line Items] {ID227}

Shares of 6.25% preferred stock exchanged {ID228}

Shares of 4.125% preferred stock exchanged {ID229}

Shares of 5.00% preferred stock (Series 2005B) exchanged {ID230}

Shares of common stock issued for the purchase of proved and unproved properties and leasehold {ID231}

Shares of common stock issued {ID232}

Shares of common stock for convertible notes {ID233}

Shares of common stock for preferred stock {ID234}

Shares of treasury stock purchased for company benefit plans {ID235}

Shares of treasury stock released for company benefit plans {ID236}

-Network: (108 - Statement - Statement Of Other Comprehensive Income)

-Statement of Income and Comprehensive Income [Abstract] {ID237}

-Statement [Table] {ID238}

-Statement [Line Items] {ID239}

NET INCOME (LOSS) {ID240}

-Other comprehensive income (loss), net of income tax: {ID241}

Change in fair value of derivative instruments, net of income taxes of $37 million, ($530) million, $333 million and ($833) million {ID242}

Reclassification of (gain) loss on settled contracts, net of income taxes of ($120) million, $103 million, ($232) million, and $52 million {ID243}

Ineffective portion of derivatives qualifying for cash flow hedge accounting, net of income taxes of ($13) million, $24 million, ($34) million and $49 million {ID244}

Unrealized (gain) loss on investments, net of income taxes of $7 million, $16 million, $11 million and $17 million {ID245}

Reclassification of loss on investments, net of income taxes of $0, $0, $26 million and $0 {ID246}

Comprehensive income (loss) {ID247}

-Network: (109 - Statement - Statement Of Other Comprehensive Income (Parenthetical))

-Statement of Income and Comprehensive Income [Abstract] {ID248}

-Statement [Table] {ID249}

-Statement [Line Items] {ID250}

Change in fair value of derivative instruments, income taxes {ID251}

Reclassification of (gain) loss on settled contracts, income taxes {ID252}

Ineffective portion of derivatives qualifying for cash flow hedge accounting, income taxes {ID253}

Unrealized (gain) loss on investments, income taxes {ID254}

Reclassification of loss on investments, income taxes {ID255}

-Network: (110 - Disclosure - Notes to Financial Statements)

-Notes to Financial Statements [Abstract] {ID256}

1.Basis of Presentation and Summary of Significant Accounting Policies {ID257}

2.Financial Instruments and Hedging Activities {ID258}

3.Contingencies and Commitments {ID259}

4.Net Income Per Share {ID260}

5.Stockholders' Equity, Restricted Stock and Stock Options {ID261}

6.Senior Notes and Revolving Bank Credit Facilities {ID262}

7.Segment Information {ID263}

8.Restructuring {ID264}

9.Investments {ID265}

10.Fair Value Measurements {ID266}

11.Condensed Consolidating Financial Information {ID267}

12.Recently Issued and Proposed Accounting Standards {ID268}

13.Subsequent Events {ID269}

-Network: (111 - Disclosure - Document Information)

-Document Information [Text Block] {ID270}

Document Type {ID271}

Amendment Flag {ID272}

Amendment Description {ID273}

Document Period End Date {ID274}

-Network: (112 - Disclosure - Entity Information)

-Entity [Text Block] {ID275}

Trading Symbol {ID276}

Entity Registrant Name {ID277}

Entity Central Index Key {ID278}

Current Fiscal Year End Date {ID279}

Entity Well-known Seasoned Issuer {ID280}

Entity Current Reporting Status {ID281}

Entity Voluntary Filers {ID282}

Entity Filer Category {ID283}

Entity Common Stock, Shares Outstanding {ID284}

Entity Public Float {ID285}

CHESAPEAKE ENERGY CORP XBRL Taxonomy Presentation Networks