| **Accumulated Other Comprehensive Income Unaudited**  | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Accumulated Other Comprehensive Income [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Accumulated Other Comprehensive Income                | 2.Accumulated Other Comprehensive Income Comprehensive income and its components are presented in the Consolidated Statements of Changes in Stockholder's Equity.  Accumulated other comprehensive income, net of tax, consisted of the following as of:(Millions of dollars)         September 30, 2011  September 30, 2010 Foreign currency translation $186  $249 Derivative financial instruments  (7)  (19)Total Accumulated other comprehensive income $179  $230             |

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| - Definition
This label may include the following:  1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains and losses on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7)  the net gain or loss and net prior service cost or credit for pension plans and other postretirement benefit plans.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14-26
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