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Impairments of Fixed Assets and Other (Note) | 6 Months Ended
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Jun. 30, 2014
Asset Impairment Charges [Abstract] |
Asset Impairment Charges [Text Block] | Impairments of Fixed Assets and Other We review our long-lived assets, other than our natural gas and oil properties which are subject to quarterly full cost ceiling tests, for recoverability whenever events or changes in circumstances indicate that carrying amounts may not be recoverable and recognize an impairment loss if the carrying amount of a long-lived asset is not recoverable and exceeds its fair value. 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 |
Gathering Systems and Treating Plants. In the Current Quarter and the Current Period, we recorded $10 million of impairments related to certain gathering systems and treating plants. The gathering systems and treating plants are included in our marketing, gathering and compression operating segment. Oilfield Services Equipment. In the Current Period, we purchased 31 leased rigs and equipment from various lessors for an aggregate purchase price of $140 million. In connection with these purchases, we paid $8 million in early lease termination costs, which is included in impairments of fixed assets and other in the condensed consolidated statement of operations. We recognized an impairment loss of approximately $15 million of leasehold improvements associated with these transactions. The drilling rigs and equipment are included in our former oilfield services operating segment. Buildings and Land. In the Prior Period, we determined we would sell certain of our buildings and land (other than our core campus) in the Oklahoma City area. We recognized an impairment loss of $134 million during the Prior Quarter on these assets for the difference between the carrying amount and fair value of the assets, less the anticipated costs to sell. Given the impairment losses associated with these assets, we tested other noncore buildings and land that we own in the Oklahoma City area for recoverability. As a result of this test, we recognized an additional impairment loss in the Prior Quarter of $44 million on these assets. Due to a decrease in the estimated market prices of certain property classified as held for sale in the Fort Worth area, we recognized an additional impairment loss of $29 million in the Prior Quarter. In the Prior Period, we also recognized $26 million of impairment loss on certain of our buildings and land in the Oklahoma City area (other than our core campus) classified as assets held for sale. The impaired buildings and land are included in our other segment. Other. Under the terms of our joint venture agreements (see Note 10), we are required to extend, renew or replace certain expiring joint leasehold, at our cost, to ensure that the net acreage is maintained in certain designated areas. In the Current Quarter, we revised our estimate of our net acreage shortfall with Total under the terms of our Barnett Shale joint venture agreement and recorded an additional $22 million charge. See Note 5 for additional discussion regarding our net acreage maintenance commitments. Nonrecurring Fair Value Measurements. Fair value measurements for impairments on the drilling rigs and equipment discussed above were based on recent sales information for comparable rigs and equipment. As the fair value was estimated using the market approach based on recent prices from orderly sales transactions for comparable assets between market participants, the values were classified as Level 2 in the fair value hierarchy. Fair value measurements of the buildings and land discussed above were based on prices from orderly sales transaction for comparable properties between market participants, purchase offers we received from third parties and, in certain cases, discounted cash flows. As some inputs used were not observable in the market, these values were classified as Level 3 in the fair value hierarchy.

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- Definition The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, 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 asset is reported. + References No definition available. + Details
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