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Supplemental Cash Flow Information (Details) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2015 | Jul. 31, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Decrease (increase) in current assets: |  |  |  |
Receivables, net |  |  | $ 77 | $ 837
Inventories |  |  | (19) | (721)
Income taxes receivable |  |  | 79 | (16)
Prepaid expenses and other |  |  | 7 | 11
Increase (decrease) in current liabilities: |  |  |  |
Accounts payable |  |  | 575 | (707)
Accrued expenses |  |  | (75) | 12
Taxes other than income taxes |  |  | 15 | (71)
Income taxes payable |  |  | (44) | (369)
Changes in current assets and current liabilities |  |  | 615 | (1,024)
Cash Flows Related to Interest and Income Taxes |  |  |  |
Interest paid in excess of amount capitalized |  |  | 202 | 197
Income taxes paid, net |  |  | 1,079 | 1,054
Supplemental Cash Flow Elements (Textual) |  |  |  |
Treasury stock purchased but settled in subsequent quarter |  |  | $ 41 | $ 104
Stock purchases, in shares |  | 2,000,000 |  |
Subsequent Event [Member] |  |  |  |
Supplemental Cash Flow Elements (Textual) |  |  |  |
Stock purchases, in shares | 675,000 |  |  |

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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