v2.4.0.6

Cash Flow Information (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Cash Flow Information [Abstract] |
Cash Flow Information |
Note 17—Cash Flow Information |  |  |  |  |
| Millions of Dollars |
| Nine Months Ended |
September 30
|  | 2012 |  | 2011 |
Cash Payments |  |  |  |  |
Interest | $ | 596 |  | 739 |
Income taxes |  | 6,394 |  | 7,145 |
Net Sales (Purchases) of Short-Term Investments |  |  |  |  |
Short-term investments purchased | $ | (497) |  | (6,642) |
Short-term investments sold |  | 1,094 |  | 5,019 |
| $ | 597 |  | (1,623) |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration