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Stockholders' Equity (Schedule of Other Comprehensive Income) (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Cumulative translation adjustment, pre-tax | [1] | $ 170 |  | $ (1,189)
Cumulative translation adjustment, tax |  | 0 |  | 0
Cumulative translation adjustment, after-tax | [1] | 170 |  | (1,189)
Additions and revaluations of derivatives designated as cash flow hedges, pre-tax | [2] | 16 |  | (22)
Additions and revaluations of derivatives designated as cash flow hedges, tax |  | (6) |  | 6
Additions and revaluations of derivatives designated as cash flow hedges, after-tax |  | 10 |  | (16)
Clearance of hedge results to earnings, pre-tax |  | 11 |  | 7
Net revaluation and clearance of cash flow hedges to earnings, pre-tax |  | 27 |  | (15)
Net revaluation and clearance of cash flow hedges to earnings, tax |  | (10) |  | 3
Net revaluation and clearance of cash flow hedges to earnings, after-tax |  | 17 |  | (12)
Net unrealized loss on securities |  | (8) |  | 0
Other comprehensive loss, before tax |  | (957) |  | (929)
Income tax benefit (expense) related to items of other comprehensive loss |  | 402 |  | (86)
Other comprehensive loss, net of tax |  | (555) |  | (1,015)
Net sales [Member] | Foreign Currency Contract [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Clearance of hedge results to earnings, pre-tax |  | 0 |  | (8)
Clearance of hedge results to earnings, tax |  | 0 |  | 3
Clearance of hedge results to earnings, after-tax |  | 0 |  | (5)
Cost of goods sold [Member] | Commodity Contract [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Clearance of hedge results to earnings, pre-tax |  | 11 |  | 15
Clearance of hedge results to earnings, tax |  | (4) |  | (6)
Clearance of hedge results to earnings, after-tax |  | 7 |  | 9
Unrealized (Loss) Gain on Securities |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Unrealized loss on securities arising during the period, pre-tax |  | (9) | [3] | 0
Unrealized loss on securities arising during the period, tax |  | 0 |  | 0
Unrealized loss on securities arising during the period, after-tax |  | (9) | [3] | 0
Net unrealized loss on securities |  | (8) |  | 0
Net unrealized loss on securities, tax |  | 0 |  | 0
Net unrealized loss on securities, after-tax |  | (8) |  | 0
Unrealized (Loss) Gain on Securities | Other income, net [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Reclassification of gain realized in net income, pre-tax |  | 1 |  | 0
Reclassification of gain realized in net income, tax |  | 0 |  | 0
Reclassification of gain realized in net income, after-tax |  | 1 |  | 0
Pension Plans [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Net loss, pre-tax | [2] | (1,191) |  | (4)
Net loss, tax |  | 428 |  | 1
Net loss, after-tax |  | (763) |  | (3)
Effect of foreign exchange rates, pre-tax | [2] | 1 |  | 100
Effect of foreign exchange rates, tax |  | 0 |  | (27)
Effect of foreign exchange rates, after-tax |  | 1 |  | 73
Amortization of prior service benefit, pre-tax | [4] | (2) |  | (2)
Amortization of prior service benefit, tax |  | 1 |  | 1
Amortization of prior service benefit, after tax |  | (1) |  | (1)
Amortization of loss, pre-tax | [4] | 172 |  | 209
Amortization of loss, tax |  | (60) |  | (74)
Amortization of loss, after tax |  | 112 |  | 135
Curtailment (gain) loss, pre-tax | [4] | 49 |  | 0
Curtailment (gain) loss, tax |  | (17) |  | 0
Curtailment (gain) loss, after-tax |  | 32 |  | 0
Settlement loss, pre-tax | [4] | 1 |  | 5
Settlement loss, tax |  | (1) |  | (2)
Settlement loss, after tax |  | 0 |  | 3
Benefit plans, net, pre-tax |  | (970) |  | 308
Benefit plans, net, tax |  | 351 |  | (101)
Benefit plans, net, after-tax |  | (619) |  | 207
Other Long-Term Employee Benefit Plans [Member] |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Net loss, pre-tax | [2] | (124) |  | 0
Net loss, tax |  | 45 |  | 0
Net loss, after-tax |  | (79) |  | 0
Amortization of prior service benefit, pre-tax | [4] | (39) |  | (52)
Amortization of prior service benefit, tax |  | 13 |  | 19
Amortization of prior service benefit, after tax |  | (26) |  | (33)
Amortization of loss, pre-tax | [4] | 17 |  | 19
Amortization of loss, tax |  | (7) |  | (7)
Amortization of loss, after tax |  | 10 |  | 12
Curtailment (gain) loss, pre-tax | [4] | (30) |  | 0
Curtailment (gain) loss, tax |  | 10 |  | 0
Curtailment (gain) loss, after-tax |  | (20) |  | 0
Benefit plans, net, pre-tax |  | (176) |  | (33)
Benefit plans, net, tax |  | 61 |  | 12
Benefit plans, net, after-tax |  | $ (115) |  | $ (21)
[1] | The increase in currency translation adjustment gains over prior year for the three months ended March 31, 2016 is primarily driven by the modest weakening of the U.S. dollar (USD) against the European Euro and Brazilian real. The increase in currency translation adjustment losses over prior year for the three months ended March 31, 2015 is primarily driven by the strengthening USD against the European Euro and Brazilian real.
[2] | These amounts represent changes in accumulated other comprehensive loss excluding changes due to reclassifying amounts to the interim Consolidated Income Statements. See Notes 13 and 14 for additional information.
[3] | The unrealized loss on securities during the three months ended March 31, 2016 is due to the re-measurement of USD denominated marketable securities held by certain foreign entities at March 31, 2016 with a corresponding offset to cumulative translation adjustment.
[4] | These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost of the company's pension and other long-term employee benefit plans. See Note 14 for additional information.

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