v2.4.0.8

Other Property and Equipment (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2014
Gain (Loss) on Disposition of Property Plant Equipment [Abstract] |
Property, Plant and Equipment, Schedule of Significant Acquisitions and Disposals [Table Text Block] | A summary by asset class of (gains) or losses on sales of fixed assets for the Current Quarter, the Prior Quarter, the Current Period and the Prior Period is as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2014 |  | 2013 |  | 2014 |  | 2013
|  | ($ in millions)
Compressors |  | $ | (94 | ) |  | $ | — |  |  | $ | (120 | ) |  | $ | — |
Gathering systems and treating plants |  | 10 |  |  | (109 | ) |  | 13 |  |  | (179 | )
Oilfield services equipment |  | (9 | ) |  | — |  |  | (7 | ) |  | 1 |
Buildings and land |  | 1 |  |  | 1 |  |  | 1 |  |  | 23 |
Other |  | (1 | ) |  | (1 | ) |  | (2 | ) |  | (3 | )
Total net gains on sales of fixed assets |  | $ | (93 | ) |  | $ | (109 | ) |  | $ | (115 | ) |  | $ | (158 | )
Disclosure of Long Lived Assets Held-for-Sale [Table Text Block] | A summary of the assets held for sale on our condensed consolidated balance sheets as of June 30, 2014 and December 31, 2013 is detailed below.
|  | June 30, 2014 |  | December 31, 2013
|  | ($ in millions)
Buildings and land, net of accumulated depreciation |  | $ | 183 |  |  | $ | 405 |
Compressors, net of accumulated depreciation |  | 64 |  |  | 285 |
Oilfield services equipment, net of accumulated depreciation |  | — |  |  | 29 |
Gathering systems and treating plants, net of accumulated depreciation |  | — |  |  | 11 |
Property and equipment held for sale, net |  | $ | 247 |  |  | $ | 730 |

X
- Definition Tabular disclosure of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
Name: | us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_GainLossOnSaleOfPropertyPlantEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of all information related to any significant acquisition and disposal. Disclosure may include methodology and assumptions, type of asset, asset classification, useful life, useful purpose, acquisition cost, method of acquisition or disposal, depreciation method, gain (loss) on disposal pretax and net of tax, date of acquisition or disposal and restrictions on amount of proceeds from donated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
Name: | us-gaap_PropertyPlantAndEquipmentScheduleOfSignificantAcquisitionsAndDisposalsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration