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Financial Instruments And Risk Management Financial Instruments and Risk Management (Tables) | 6 Months Ended
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Jun. 30, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location | The following table summarizes the recognized changes in fair value of our balance sheet hedges offset by remeasurement of balance sheet positions. These amounts are recognized in our condensed consolidated statements of operations for the periods presented. The net of our changes in fair value of hedges and the remeasurement of our assets and liabilities is included in "other non-operating income (expense)" on our condensed consolidated statements of operations.
| June 30, |  | December 31,
Gains (losses) dollars in millions | 2015 |  | 2014
Balance sheet hedges - fair value | $ | (35 | ) |  | $ | (47 | )
Balance sheet position - remeasurement | 41 |  |  | 47 |
Net | $ | 6 |  |  | $ | — |

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- Definition Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 + Details
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