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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions | Total | PREFERRED STOCK | COMMON STOCK | ADDITIONAL PAID-IN CAPITAL | ACCUMULATED DEFICIT | ACCUMULATED OTHER COMPREHENSIVE LOSS: | TREASURY STOCK – COMMON: | TOTAL CHESAPEAKE STOCKHOLDERS’ EQUITY | NONCONTROLLING INTERESTS:
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2017 | [1] |  |  | $ 1,671 |  | $ 9 |  | $ 14,437 | $ (14,130) |  | $ (57) | $ (31) |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares issued for WildHorse Merger | [1] |  |  |  |  | 0 |  | 0 |  |  |  |  |  |  |
Stock-based compensation | [1] |  |  |  |  |  |  | 17 |  |  |  |  |  |  |
Dividends on preferred stock | [1] |  |  |  |  |  |  | (46) |  |  |  |  |  |  |
Net income (loss) attributable to Chesapeake |  | $ (232) | [2] |  |  |  |  |  | (232) | [1] |  |  |  |  |
Hedging activity | [1] |  |  |  |  |  |  |  |  |  | 17 |  |  |  |
Purchase of 81,093, 17,046, 2,620,566, and 1,468,524 shares for company benefit plans | [1] |  |  |  |  |  |  |  |  |  |  | (4) |  |  |
Release of 148,767, 114,450, 259,563 and 389,857 shares from company benefit plans | [1] |  |  |  |  |  |  |  |  |  |  | 4 |  |  |
Chesapeake stockholders’ equity, end of period at Jun. 30, 2018 | [1] |  |  | 1,671 |  | 9 |  | 14,408 | (14,370) |  | (40) | (31) | $ 1,647 |  |
Stockholders' equity attributable to noncontrolling interest, beginning of period at Dec. 31, 2017 | [1] |  |  |  |  |  |  |  |  |  |  |  |  | $ 44 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interests |  | (1) | [3] |  |  |  |  |  |  |  |  |  |  | 1 | [1]
Distributions to noncontrolling interest owners | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (3) |
Stockholders' equity attributable to noncontrolling interest, end of period at Jun. 30, 2018 | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 42 |
Chesapeake stockholders’ equity, beginning of period at Mar. 31, 2018 | [1] |  |  | 1,671 |  | 9 |  | 14,419 | (14,121) |  | (47) | (32) |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares issued for WildHorse Merger | [1] |  |  |  |  | 0 |  | 0 |  |  |  |  |  |  |
Stock-based compensation | [1] |  |  |  |  |  |  | 12 |  |  |  |  |  |  |
Dividends on preferred stock | [1] |  |  |  |  |  |  | (23) |  |  |  |  |  |  |
Net income (loss) attributable to Chesapeake |  | (249) | [2] |  |  |  |  |  | (249) | [1] |  |  |  |  |
Hedging activity | [1] |  |  |  |  |  |  |  |  |  | 7 |  |  |  |
Purchase of 81,093, 17,046, 2,620,566, and 1,468,524 shares for company benefit plans | [1] |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Release of 148,767, 114,450, 259,563 and 389,857 shares from company benefit plans | [1] |  |  |  |  |  |  |  |  |  |  | 1 |  |  |
Chesapeake stockholders’ equity, end of period at Jun. 30, 2018 | [1] |  |  | 1,671 |  | 9 |  | 14,408 | (14,370) |  | (40) | (31) | 1,647 |  |
Stockholders' equity attributable to noncontrolling interest, beginning of period at Mar. 31, 2018 | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 43 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interests |  | 0 | [3] |  |  |  |  |  |  |  |  |  |  | 0 | [1]
Distributions to noncontrolling interest owners | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (1) |
Stockholders' equity attributable to noncontrolling interest, end of period at Jun. 30, 2018 | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 42 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Equity | [1] | 1,689 |  |  |  |  |  |  |  |  |  |  |  |  |
Total Equity |  | 2,133 |  |  |  |  |  |  |  |  |  |  |  |  |
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2018 |  | 2,092 |  | 1,671 | [1] | 9 |  | 14,378 | (13,912) |  | (23) | (31) |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares issued for WildHorse Merger |  |  |  |  |  | 7 |  | 2,030 |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  | 18 |  |  |  |  |  |  |
Dividends on preferred stock |  |  |  |  |  |  |  | (46) |  |  |  |  |  |  |
Net income (loss) attributable to Chesapeake |  | 77 | [2] |  |  |  |  |  | 77 |  |  |  |  |  |
Hedging activity |  |  |  |  |  |  |  |  |  |  | 18 |  |  |  |
Purchase of 81,093, 17,046, 2,620,566, and 1,468,524 shares for company benefit plans |  |  |  |  |  |  |  |  |  |  |  | (7) |  |  |
Release of 148,767, 114,450, 259,563 and 389,857 shares from company benefit plans |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |
Chesapeake stockholders’ equity, end of period at Jun. 30, 2019 |  | 4,191 |  | 1,671 |  | 16 | [1] | 16,380 | (13,835) | [1] | (5) | (36) | 4,191 |  |
Stockholders' equity attributable to noncontrolling interest, beginning of period at Dec. 31, 2018 |  | 41 |  |  |  |  |  |  |  |  |  |  |  | 41 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interests |  | 0 | [3] |  |  |  |  |  |  |  |  |  |  | 0 |
Distributions to noncontrolling interest owners |  |  |  |  |  |  |  |  |  |  |  |  |  | (2) |
Stockholders' equity attributable to noncontrolling interest, end of period at Jun. 30, 2019 |  | 39 |  |  |  |  |  |  |  |  |  |  |  | 39 |
Chesapeake stockholders’ equity, beginning of period at Mar. 31, 2019 |  |  |  | 1,671 | [1] | 16 |  | 16,392 | (13,933) |  | (13) | (36) |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares issued for WildHorse Merger |  |  |  |  |  | 0 |  | 0 |  |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  | 11 |  |  |  |  |  |  |
Dividends on preferred stock |  |  |  |  |  |  |  | (23) |  |  |  |  |  |  |
Net income (loss) attributable to Chesapeake |  | 98 |  |  |  |  |  |  | 98 |  |  |  |  |  |
Hedging activity |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |
Purchase of 81,093, 17,046, 2,620,566, and 1,468,524 shares for company benefit plans |  |  |  |  |  |  |  |  |  |  |  | (1) |  |  |
Release of 148,767, 114,450, 259,563 and 389,857 shares from company benefit plans |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |
Chesapeake stockholders’ equity, end of period at Jun. 30, 2019 |  | 4,191 |  | $ 1,671 |  | $ 16 | [1] | $ 16,380 | $ (13,835) | [1] | $ (5) | $ (36) | $ 4,191 |  |
Stockholders' equity attributable to noncontrolling interest, beginning of period at Mar. 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  | 41 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interests |  | 0 |  |  |  |  |  |  |  |  |  |  |  | 0 |
Distributions to noncontrolling interest owners |  |  |  |  |  |  |  |  |  |  |  |  |  | (2) |
Stockholders' equity attributable to noncontrolling interest, end of period at Jun. 30, 2019 |  | 39 |  |  |  |  |  |  |  |  |  |  |  | $ 39 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Equity |  | $ 4,230 |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Financial information for prior periods has been recast to reflect the retrospective application of the successful efforts method of accounting. See Note 1.
[2] | Financial information for 2018 has been recast to reflect the retrospective application of the successful efforts method of accounting. See Note 1.
[3] | Financial information for 2018 has been recast to reflect the retrospective application of the successful efforts method of accounting. See Note 1.

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