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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2012
Supplemental Cash Flow Information [Abstract] |
Changes in current assets and current liabilities | In order to determine net cash provided by operating activities, net income is adjusted by, among other things, changes in current assets and current liabilities as follows (in millions):
| Nine Months Ended September 30,
| 2012 |  | 2011
Decrease (increase) in current assets: |  |  |
Receivables, net | $ | 1,293 |  |  | $ | (1,963 | )
Inventories | (116 | ) |  | 891 |
Income taxes receivable | 172 |  |  | 333 |
Prepaid expenses and other | (25 | ) |  | 12 |
Increase (decrease) in current liabilities: |  |  |
Accounts payable | (150 | ) |  | 1,191 |
Accrued expenses | 10 |  |  | 137 |
Taxes other than income taxes | 55 |  |  | 99 |
Income taxes payable | 112 |  |  | 140 |
Changes in current assets and current liabilities | $ | 1,351 |  |  | $ | 840 |
Cash flows related to interest and income taxes | Cash flows related to interest and income taxes were as follows (in millions):
| Nine Months Ended September 30,
| 2012 |  | 2011
Interest paid in excess of amount capitalized | $ | 206 |  |  | $ | 276 |
Income taxes paid, net | 238 |  |  | 289 |

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- Definition Cash flows related to interest and income taxes. + References No definition available. + Details
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