| **Inventories (Tables)**              | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
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| **Inventory Disclosure [Abstract]**   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Schedule of Components of Inventories | The following table provides the components of Inventories:(MILLIONS OF DOLLARS) September 30, 2012 December 31, 2011Finished goods $2,634 $2,311Work-in-process 3,994 3,514Raw materials and supplies 888 785Total inventories(a) $7,516 $6,610Noncurrent portion not included above(b) $702 $800(a) The increase reflects, in part, a build-up in anticipation of plant rationalizations.(b) Included in Taxes and other noncurrent assets. There are no recoverability issues associated with these amounts. |

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| - Definition
Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5
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