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Other Non-Operating Expense (Tables) | 12 Months Ended
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Dec. 31, 2015
Other Income and Expenses [Abstract] |
Schedule of Other Nonoperating Expense, by Component [Table Text Block] |
Years Ended December 31, | 2014 |  | 2013
| (in millions)
Entek | $ | 86 |  |  | $ | — |
Silver Ridge | 42 |  |  | — |
Elsta | — |  |  | 129 |
Total other non-operating expense | $ | 128 |  |  | $ | 129 |

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- Definition Tabular disclosure of the detailed components of other nonoperating expenses. This disclosure may include methodology, assumptions and amounts for : (a) losses on securities (net of profits) and (b) miscellaneous income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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