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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, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Segment Information |  |  |  |
Total segment PTOI | $ 741 | $ 461 | $ 4,759 | $ 4,845
Non operating pension and other post retirement employee benefit costs | (142) | (157) | (415) | (507)
Net exchange losses, including affiliates | (101) | (130) | (55) | (161)
Corporate expenses | (162) | (233) | (582) | (708)
Interest expense | (108) | (116) | (340) | (347)
Income (loss) from continuing operations before income taxes | $ 228 | $ (175) | $ 3,367 | $ 3,122

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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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