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Provision for Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |  |
Provision for income taxes on continuing operations | $ 96 | $ 303 | $ 886 |  | $ 921 |
Tax (benefit) expense associated with the company's policy of hedging the foreign currency-denominated monetary assets and liabilities | (4) | 258 | 176 |  | 233 |
Net exchange (losses) gains | (36) | 250 | 54 | [1] | 44 | [1]
Tax benefit associated with a foreign tax court decision | (17) |  |  |  |  |
Minimum [Member] |  |  |  |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |  |
Range estimate of reasonably possible net reduction in unrecognized tax benefits | 225 |  | 225 |  |  |
Maximum [Member] |  |  |  |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |  |
Range estimate of reasonably possible net reduction in unrecognized tax benefits | 250 |  | 250 |  |  |
Provision for income taxes [Member] |  |  |  |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] |  |  |  |  |  |
Net exchange (losses) gains | $ (36) | $ 250 | $ 54 |  | $ 44 |
[1] | Included a charge of $(40) associated with remeasuring the company's Ukrainian hryvnia net monetary assets in the nine months ended September 30, 2015, as well as a charge of $(58) associated with remeasuring the company's Venezuelan net monetary assets from the official exchange rate to the SICAD II exchange system in the nine months ended September 30, 2014, which were recorded in other income, net in the company's interim Consolidated Income Statements. See Note 4 for additional information.

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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 + Details
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