| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
The following table presents selected financial information for Chesapeake’s operating segments: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Exploration and Production | | Marketing, Gathering and Compression | | Former Oilfield Services | | Other | | Intercompany Eliminations | | Consolidated Total | | | ($ in millions) | Three Months Ended June 30, 2014: | | | | | | | | | | | | | Revenues | | $ | 1,704 |
| | $ | 5,355 |
| | $ | 552 |
| | $ | 3 |
| | $ | (2,462 | ) | | $ | 5,152 |
| Intersegment revenues | | — |
| | (2,188 | ) | | (274 | ) | | — |
| | 2,462 |
| | — |
| Total revenues | | $ | 1,704 |
| | $ | 3,167 |
| | $ | 278 |
| | $ | 3 |
| | $ | — |
| | $ | 5,152 |
| | | | | | | | | | | | | | Income (Loss) Before Income Taxes | | $ | 410 |
| | $ | 109 |
| | $ | 19 |
| | $ | (20 | ) | | $ | (147 | ) | | $ | 371 |
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| Three Months Ended June 30, 2013: | | | | | | | | | | | | | Revenues | | $ | 2,406 |
| | $ | 3,990 |
| | $ | 582 |
| | $ | 14 |
| | $ | (2,317 | ) | | $ | 4,675 |
| Intersegment revenues | | — |
| | (1,933 | ) | | (377 | ) | | (7 | ) | | 2,317 |
| | — |
| Total revenues | | $ | 2,406 |
| | $ | 2,057 |
| | $ | 205 |
| | $ | 7 |
| | $ | — |
| | $ | 4,675 |
| | | | | | | | | | | | | | Income (Loss) Before Income Taxes | | $ | 1,162 |
| | $ | 158 |
| | $ | 4 |
| | $ | (213 | ) | | $ | (102 | ) | | $ | 1,009 |
| | | | | | | | | | | | | | Six Months Ended June 30, 2014: | | | | | | | | | | | | | Revenues | | $ | 3,471 |
| | $ | 10,777 |
| | $ | 1,060 |
| | $ | 30 |
| | $ | (5,140 | ) | | $ | 10,198 |
| Intersegment revenues | | — |
| | (4,596 | ) | | (544 | ) | | — |
| | 5,140 |
| | — |
| Total revenues | | $ | 3,471 |
| | $ | 6,181 |
| | $ | 516 |
| | $ | 30 |
| | $ | — |
| | $ | 10,198 |
| | | | | | | | | | | | | | Income (Loss) Before Income Taxes | | $ | 1,098 |
| | $ | 213 |
| | $ | (16 | ) | | $ | 39 |
| | $ | (217 | ) | | $ | 1,117 |
| | | | | | | | | | | | | | Six Months Ended June 30, 2013: | | | | | | | | | | | | | Revenues | | $ | 3,858 |
| | $ | 7,516 |
| | $ | 1,127 |
| | $ | 23 |
| | $ | (4,426 | ) | | $ | 8,098 |
| Intersegment revenues | | — |
| | (3,678 | ) | | (735 | ) | | (13 | ) | | 4,426 |
| | — |
| Total revenues | | $ | 3,858 |
| | $ | 3,838 |
| | $ | 392 |
| | $ | 10 |
| | $ | — |
| | $ | 8,098 |
| | | | | | | | | | | | | | Income (Loss) Before Income Taxes | | $ | 625 |
| | $ | 272 |
| | $ | 26 |
| | $ | 451 |
| | $ | (200 | ) | | $ | 1,174 |
| | | | | | | | | | | | | | As of June 30, 2014: | | | | | | | | | | | | | Total Assets | | $ | 35,527 |
| | $ | 2,334 |
| | $ | 50 |
| | $ | 5,283 |
| | $ | (2,067 | ) | | $ | 41,127 |
| As of December 31, 2013: | | | | | | | | | | | | | Total Assets | | $ | 35,341 |
| | $ | 2,430 |
| | $ | 2,018 |
| | $ | 5,750 |
| | $ | (3,757 | ) | | $ | 41,782 |
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