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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2014
Supplemental Cash Flow Information [Abstract] |
Schedule of cash flows, supplemental disclosures | 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,
| 2014 |  | 2013
Decrease (increase) in current assets: |  |  |
Receivables, net | $ | 837 |  |  | $ | 412 |
Inventories | (721 | ) |  | (824 | )
Income taxes receivable | (16 | ) |  | 31 |
Prepaid expenses and other | 11 |  |  | 2 |
Increase (decrease) in current liabilities: |  |  |
Accounts payable | (707 | ) |  | 625 |
Accrued expenses | 12 |  |  | (44 | )
Taxes other than income taxes | (71 | ) |  | 268 |
Income taxes payable | (369 | ) |  | (26 | )
Changes in current assets and current liabilities | $ | (1,024 | ) |  | $ | 444 |
Cash flows related to interest and income taxes were as follows (in millions):
| Six Months Ended June 30,
| 2014 |  | 2013
Interest paid in excess of amount capitalized | $ | 197 |  |  | $ | 160 |
Income taxes paid, net | 1,054 |  |  | 243 |

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