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Stockholder's Equity (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014
Components of Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, beginning balance | $ (8,556) | $ (5,290)
Other comprehensive loss before reclassifications | (1,006) | (592)
Amounts reclassified from accumulated other comprehensive loss | 183 | 244
Spin-off of Chemours | 468 |
Accumulated other comprehensive loss, ending balance | (8,911) | (5,638)
Cumulative Translation Adjustment [Member] |  |
Components of Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, beginning balance | (919) | (43)
Other comprehensive loss, before reclassifications, CTA | (1,405) | (559)
Amounts reclassified from accumulated other comprehensive loss | 0 | 0
Spin-off of Chemours | 191 |
Accumulated other comprehensive loss, ending balance | (2,133) | (602)
Net Revaluation and Clearance of Cash Flow Hedges to Earnings |  |
Components of Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, beginning balance | (6) | (48)
Other comprehensive (loss) income, before reclassifications, cash flow hedges | (24) | 15
Amounts reclassified from accumulated other comprehensive loss, cash flow hedges | 7 | 18
Spin-off of Chemours | 0 |
Accumulated other comprehensive loss, ending balance | (23) | (15)
Pension Plans [Member] |  |
Components of Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, beginning balance | (7,895) | (5,695)
Other comprehensive income (loss), before reclassifications, pension and other benefit plans | 469 | (74)
Amounts reclassified from accumulated other comprehensive loss, pension and other benefit plans | 407 | 302
Spin-off of Chemours | 278 |
Accumulated other comprehensive loss, ending balance | (6,741) | (5,467)
Other Long-Term Employee Benefit Plans [Member] |  |
Components of Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, beginning balance | 262 | 494
Other comprehensive income (loss), before reclassifications, pension and other benefit plans | (46) | 26
Amounts reclassified from accumulated other comprehensive loss, pension and other benefit plans | (231) | (76)
Spin-off of Chemours | 0 |
Accumulated other comprehensive loss, ending balance | (15) | 444
Unrealized Gain on Securities |  |
Components of Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, beginning balance | 2 | 2
Other comprehensive income (loss), before reclassifications, securities | 0 | 0
Amounts reclassified from accumulated other comprehensive loss, securities | 0 | 0
Spin-off of Chemours | (1) |
Accumulated other comprehensive loss, ending balance | $ 1 | $ 2

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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