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Segment Information (Reconciliation to Consolidated Income Statements) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Information |  |  |  |  |  |
Total segment PTOI | $ 923 |  | $ 741 | $ 5,126 |  | $ 4,759
Non operating pension and other post retirement employee benefit costs | (30) |  | (142) | (94) |  | (415)
Net exchange gains (losses), including affiliates | 218 |  | (101) | 13 |  | (55)
Corporate expenses | (232) | [1] | (162) | (727) | [1] | (582)
Interest expense | (93) |  | (108) | (290) |  | (340)
Income from continuing operations before income taxes | 786 |  | 228 | 4,028 |  | 3,367
Performance Chemicals [Member] |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Separation related transaction costs | $ (61) |  |  | $ (112) |  |
[1] | Included transaction costs associated with the separation of the Performance Chemicals segment of $61 and $112 in the three and nine months ended September 30, 2014, respectively, which were recorded in other operating charges in the company's interim Consolidated Income Statements.

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