v2.4.0.8

Commitments - Narrative (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 6 Months Ended |  | 6 Months Ended | 1 Months Ended | 6 Months Ended |  |  |  |
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Apr. 30, 2011 | Jun. 30, 2014 Net Acreage Shortfall [Member] acre | Jun. 30, 2014 Drilling Rig Leases [Member] | Jun. 30, 2014 Drilling Rig Leases [Member] Minimum [Member] | Jun. 30, 2014 Drilling Rig Leases [Member] Maximum [Member] | Jun. 30, 2014 Compressor [Member] Compressor | Dec. 31, 2011 Chesapeake Utica L L C [Member] well | Jun. 30, 2014 Chesapeake Utica L L C [Member] well | Jun. 30, 2014 Sundrop Fuels Inc [Member] | Dec. 31, 2013 Sundrop Fuels Inc [Member] | Jul. 20, 2011 Sundrop Fuels Inc [Member] | Jul. 31, 2014 Subsequent Event [Member] Net Acreage Maintenance Commitment [Member]
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equipment, Number of Leased Units |  |  |  |  |  | 205 |  |  |  |  |  |
Operating Leases, Future Minimum Payments, Due Thereafter |  |  |  |  |  | $ 33 |  |  |  |  |  |
Leased Equipment Purchased |  |  |  |  |  | 1,574 |  |  |  |  |  |
Payments to Acquire Equipment on Lease |  |  |  |  |  | 290 |  |  |  |  |  |
Operating Leases, Future Minimum Payment Due |  |  | 501 |  |  |  |  |  |  |  |  |
Guaranteed Gross Profit Margin | 10.00% |  |  |  |  |  |  |  |  |  |  |
Lease Term |  |  |  | 3 months | 3 years |  |  |  |  |  |  |
Number Of Spud Wells |  |  |  |  |  |  |  | 550 |  |  |  |
Minimum Committed Wells Per Year |  |  |  |  |  |  | 90 |  |  |  |  |
Minimum Committed Wells Per Year In Year Two |  |  |  |  |  |  | 540 |  |  |  |  |
Minimum Committed Wells Per Year In Year One |  |  |  |  |  |  | 270 |  |  |  |  |
Number Of Net Acres |  | 20,800 |  |  |  |  |  |  |  |  |  |
Cash Payment for Shortfall |  |  |  |  |  |  |  |  |  |  |  | 50
Equity Method Investments |  |  |  |  |  |  |  |  | 133 | 135 | 155 |
Marketable Securities, Equity Securities |  |  |  |  |  |  |  |  | 25 |  |  |
Operating Leases, Future Minimum Payments, Decrease Due to Purchases |  |  |  |  |  | $ 202 |  |  |  |  |  |

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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