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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 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):
| Six Months Ended June 30,
| 2012 |  | 2011
Decrease (increase) in current assets: |  |  |
Receivables, net | $ | 2,087 |  |  | $ | (1,422 | )
Inventories | 198 |  |  | 978 |
Income taxes receivable | (79 | ) |  | 175 |
Prepaid expenses and other | (15 | ) |  | (3 | )
Increase (decrease) in current liabilities: |  |  |
Accounts payable | (1,413 | ) |  | 1,147 |
Accrued expenses | (60 | ) |  | 202 |
Taxes other than income taxes | 67 |  |  | (52 | )
Income taxes payable | (60 | ) |  | 122 |
Changes in current assets and current liabilities | $ | 725 |  |  | $ | 1,147 |
Cash flows related to interest and income taxes | Cash flows related to interest and income taxes were as follows (in millions):
| Six Months Ended June 30,
| 2012 |  | 2011
Interest paid in excess of amount capitalized | $ | 164 |  |  | $ | 221 |
Income taxes paid, net | 204 |  |  | 10 |

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