v2.4.0.8

Impairments of Fixed Assets and Other (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2014
Asset Impairment Charges [Abstract] |
Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block] | A summary of our impairments of fixed assets by asset class and other charges 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)
Gathering systems and treating plants |  | $ | 10 |  |  | $ | — |  |  | $ | 10 |  |  | $ | — |
Oilfield services equipment |  | 3 |  |  | 4 |  |  | 23 |  |  | 4 |
Buildings and land |  | 5 |  |  | 213 |  |  | 5 |  |  | 239 |
Other |  | 22 |  |  | 14 |  |  | 22 |  |  | 15 |
Total impairments of fixed assets and other |  | $ | 40 |  |  | $ | 231 |  |  | $ | 60 |  |  | $ | 258 |

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

X
- Definition Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section CC -Subsection 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 + Details
Name: | us-gaap_DetailsOfImpairmentOfLongLivedAssetsHeldAndUsedByAssetTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration