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Segment Information (Reconciliation to Consolidated Income Statements) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Segment Information |  |  |  |
Total segment PTOI | $ 1,955 | $ 1,777 | $ 4,203 | $ 4,018
Non operating pension and other post retirement employee benefit costs | (34) | (126) | (64) | (273)
Net exchange (losses) gains, including affiliates | (109) | 35 | (205) | 46
Corporate expenses | (278) | (206) | (495) | (420)
Interest expense | (94) | (115) | (197) | (232)
Income from continuing operations before income taxes | $ 1,440 | $ 1,365 | $ 3,242 | $ 3,139

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