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Stockholders' Equity (Schedule of Other Comprehensive Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Cumulative translation adjustment, pre-tax | [1] | $ (97) |  | $ 197 | $ 73 |  | $ (992)
Cumulative translation adjustment, tax |  | 0 |  | 0 | 0 |  | 0
Cumulative translation adjustment, after-tax | [1] | (97) |  | 197 | 73 |  | (992)
Additions and revaluations of derivatives designated as cash flow hedges, pre-tax | [2] | 21 |  | 8 | 37 |  | (14)
Additions and revaluations of derivatives designated as cash flow hedges, tax |  | (8) |  | (3) | (14) |  | 3
Additions and revaluations of derivatives designated as cash flow hedges, after-tax |  | 13 |  | 5 | 23 |  | (11)
Clearance of hedge results to earnings, pre-tax |  | 7 |  | 5 | 18 |  | 12
Net revaluation and clearance of cash flow hedges to earnings, pre-tax |  | 28 |  | 13 | 55 |  | (2)
Net revaluation and clearance of cash flow hedges to earnings, tax |  | (11) |  | (5) | (21) |  | (2)
Net revaluation and clearance of cash flow hedges to earnings, after-tax |  | 17 |  | 8 | 34 |  | (4)
Net unrealized gain on securities |  | 14 |  | 0 | 6 |  | 0
Other comprehensive (loss) income, before tax |  | (1,210) |  | 326 | (2,167) |  | (603)
Income tax benefit (expense) related to items of other comprehensive loss |  | 404 |  | (50) | 806 |  | (136)
Other comprehensive (loss) income, net of tax |  | (806) |  | 276 | (1,361) |  | (739)
Net sales [Member] | Foreign Currency Contract [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Clearance of hedge results to earnings, pre-tax |  | 0 |  | (2) | 0 |  | (10)
Clearance of hedge results to earnings, tax |  | 0 |  | 1 | 0 |  | 4
Clearance of hedge results to earnings, after-tax |  | 0 |  | (1) | 0 |  | (6)
Cost of goods sold [Member] | Commodity Contract [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Clearance of hedge results to earnings, pre-tax |  | 7 |  | 7 | 18 |  | 22
Clearance of hedge results to earnings, tax |  | (3) |  | (3) | (7) |  | (9)
Clearance of hedge results to earnings, after-tax |  | 4 |  | 4 | 11 |  | 13
Unrealized (Loss) Gain on Securities |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Unrealized gain (loss) on securities arising during the period, pre-tax |  | 2 | [3] | 0 | (7) | [3] | 0
Unrealized gain (loss) on securities arising during the period, tax |  | 0 |  | 0 | 0 |  | 0
Unrealized gain (loss) on securities arising during the period, after-tax |  | 2 | [3] | 0 | (7) | [3] | 0
Net unrealized gain on securities |  | 14 |  | 0 | 6 |  | 0
Net unrealized gain on securities, tax |  | 0 |  | 0 | 0 |  | 0
Net unrealized gain on securities, after-tax |  | 14 |  | 0 | 6 |  | 0
Unrealized (Loss) Gain on Securities | Other income, net [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Reclassification of loss realized in net income, pre-tax |  | 12 |  | 0 | 13 |  | 0
Reclassification of loss realized in net income, tax |  | 0 |  | 0 | 0 |  | 0
Reclassification of loss realized in net income, after-tax |  | 12 |  | 0 | 13 |  | 0
Pension Plans [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Net loss, pre-tax | [2] | (1,281) |  | (2) | (2,472) |  | (6)
Net loss, tax |  | 455 |  | 1 | 883 |  | 2
Net loss, after-tax |  | (826) |  | (1) | (1,589) |  | (4)
Effect of foreign exchange rates, pre-tax | [2] | 31 |  | (62) | 32 |  | 38
Effect of foreign exchange rates, tax |  | (7) |  | 18 | (7) |  | (9)
Effect of foreign exchange rates, after-tax |  | 24 |  | (44) | 25 |  | 29
Amortization of prior service benefit, pre-tax | [4] | (1) |  | (1) | (3) |  | (3)
Amortization of prior service benefit, tax |  | 0 |  | 0 | 1 |  | 1
Amortization of prior service benefit, after tax |  | (1) |  | (1) | (2) |  | (2)
Amortization of loss, pre-tax | [4] | 204 |  | 210 | 376 |  | 419
Amortization of loss, tax |  | (72) |  | (75) | (132) |  | (149)
Amortization of loss, after tax |  | 132 |  | 135 | 244 |  | 270
Curtailment (gain) loss, pre-tax | [4] | 17 |  | 0 | 66 |  | 0
Curtailment (gain) loss, tax |  | (5) |  | 0 | (22) |  | 0
Curtailment (gain) loss, after-tax |  | 12 |  | 0 | 44 |  | 0
Settlement loss, pre-tax | [4] | 37 |  | 4 | 38 |  | 9
Settlement loss, tax |  | (14) |  | (1) | (15) |  | (3)
Settlement loss, after tax |  | 23 |  | 3 | 23 |  | 6
Benefit plans, net, pre-tax |  | (993) |  | 149 | (1,963) |  | 457
Benefit plans, net, tax |  | 357 |  | (57) | 708 |  | (158)
Benefit plans, net, after-tax |  | (636) |  | 92 | (1,255) |  | 299
Other Long-Term Employee Benefit Plans [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Net loss, pre-tax | [2] | (141) |  | 0 | (265) |  | 0
Net loss, tax |  | 50 |  | 0 | 95 |  | 0
Net loss, after-tax |  | (91) |  | 0 | (170) |  | 0
Amortization of prior service benefit, pre-tax | [4] | (36) |  | (52) | (75) |  | (104)
Amortization of prior service benefit, tax |  | 12 |  | 18 | 25 |  | 37
Amortization of prior service benefit, after tax |  | (24) |  | (34) | (50) |  | (67)
Amortization of loss, pre-tax | [4] | 18 |  | 19 | 35 |  | 38
Amortization of loss, tax |  | (5) |  | (6) | (12) |  | (13)
Amortization of loss, after tax |  | 13 |  | 13 | 23 |  | 25
Curtailment (gain) loss, pre-tax | [4] | (3) |  | 0 | (33) |  | 0
Curtailment (gain) loss, tax |  | 1 |  | 0 | 11 |  | 0
Curtailment (gain) loss, after-tax |  | (2) |  | 0 | (22) |  | 0
Benefit plans, net, pre-tax |  | (162) |  | (33) | (338) |  | (66)
Benefit plans, net, tax |  | 58 |  | 12 | 119 |  | 24
Benefit plans, net, after-tax |  | $ (104) |  | $ (21) | $ (219) |  | $ (42)
[1] | The currency translation loss for the three months ended June 30, 2016 is primarily driven by the strengthening of the U.S. dollar (USD) against the European Euro (EUR), partially offset by further weakening of the USD against the Brazilian real (BRL). The currency translation gain for the three months ended June 30, 2015 was driven by the weakening of the USD against both the EUR and BRL. The currency translation gain for the six months ended June 30, 2016 is primarily driven by modest weakening of the USD against the EUR and BRL as compared to the currency translation loss for the six months ended June 30, 2015 which was driven by the USD strengthening against the EUR and BRL.
[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 gain (loss) on securities during the three and six months ended June 30, 2016 is due to the re-measurement of USD denominated marketable securities held by certain foreign entities at June 30, 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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