v2.4.0.8

Other Property and Equipment - Narrative (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Property, Plant and Equipment [Line Items] |  |  |  |
Net gains (losses) on sales of fixed assets | $ (93) | $ (109) | $ (115) | $ (158)
Reclassification from held for sale to held for use | 116 |  | 116 |
Compressor [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Equipment, Number of Units | 337 |  | 102 |
Proceeds from Sale of Property, Plant, and Equipment | 362 |  |  |
Net gains (losses) on sales of fixed assets | (93) |  |  |
Compressor [Member] | Access Midstream Partners, L.P. [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  |  | 159 |
Net gains (losses) on sales of fixed assets |  |  | (24) |
Gathering and Processing Equipment [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Net gains (losses) on sales of fixed assets | 10 | (109) | 13 | (179)
Gathering and Processing Equipment [Member] | Granite Wash Midstream Gas Services, L.L.C. [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | 245 |  |
Net gains (losses) on sales of fixed assets | (106) |  |  |
Gathering and Processing Equipment [Member] | Sale to Western Gas Partners, LP [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  | 134 |  |
Net gains (losses) on sales of fixed assets |  | (56) |  |
Transportation Equipment [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment | 44 |  |  |
Net gains (losses) on sales of fixed assets | 23 |  |  |
Drilling Rigs [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Equipment, Number of Units | 14 |  |  |
Proceeds from Sale of Property, Plant, and Equipment | 14 |  |  |
Net gains (losses) on sales of fixed assets |  |  | (14) |
Land and Building [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Net gains (losses) on sales of fixed assets | $ 1 | $ 1 | $ 1 | $ 23

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- Definition Reclassification from held for sale to held for use + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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