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Stockholders' Equity (Schedule of Other Comprehensive Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Cumulative translation adjustment, pre-tax | [1] | $ 114 |  | $ (125) | $ 187 |  | $ (1,405)
Cumulative translation adjustment, tax |  | 0 |  | 0 | 0 |  | 0
Cumulative translation adjustment, after-tax | [1] | 114 |  | (125) | 187 |  | (1,405)
Additions and revaluations of derivatives designated as cash flow hedges, pre-tax | [2] | (3) |  | (22) | 34 |  | (36)
Additions and revaluations of derivatives designated as cash flow hedges, tax |  | 1 |  | 9 | (13) |  | 12
Additions and revaluations of derivatives designated as cash flow hedges, after-tax |  | (2) |  | (13) | 21 |  | (24)
Clearance of hedge results to earnings, pre-tax |  | 0 |  | 0 | 18 |  | 12
Net revaluation and clearance of cash flow hedges to earnings, pre-tax |  | (3) |  | (22) | 52 |  | (24)
Net revaluation and clearance of cash flow hedges to earnings, tax |  |  |  |  | (20) |  | 7
Net revaluation and clearance of cash flow hedges to earnings, after-tax |  |  |  |  | 32 |  | (17)
Net unrealized gain on securities |  | 5 |  | 0 | 11 |  | 0
Other comprehensive income (loss), before tax |  | 123 |  | 380 | (2,044) |  | (511)
Income tax (expense) benefit related to items of other comprehensive income (loss) |  | (33) |  | (176) | 773 |  | (312)
Other comprehensive income (loss), net of tax |  | 90 |  | 204 | (1,271) |  | (823)
Net sales [Member] | Foreign Currency Contract [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Clearance of hedge results to earnings, pre-tax |  |  |  |  | 0 |  | (10)
Clearance of hedge results to earnings, tax |  |  |  |  | 0 |  | 4
Clearance of hedge results to earnings, after-tax |  |  |  |  | 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 |  |  |  |  | 18 |  | 22
Clearance of hedge results to earnings, tax |  |  |  |  | (7) |  | (9)
Clearance of hedge results to earnings, after-tax |  |  |  |  | 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 |  | (1) | [3] | 0 | (8) | [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 |  | (1) | [3] | 0 | (8) | [3] | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  |  |  |  | (19) |  | 0
Net unrealized gain on securities |  | 5 |  | 0 | 11 |  | 0
Net unrealized gain on securities, tax |  | 0 |  | 0 | 0 |  | 0
Net unrealized gain on securities, after-tax |  | 5 |  | 0 | 11 |  | 0
Unrealized (Loss) Gain on Securities | Other (loss) income, net [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax |  | 6 |  | 0 | 19 |  | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax |  | 0 |  | 0 | 0 |  | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 6 |  | 0 | 19 |  | 0
Pension Plans [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Net (loss) gain, pre-tax | [2] | (228) |  | 634 | (2,700) |  | 628
Net (loss) gain, tax |  | 48 |  | (228) | 931 |  | (226)
Net (loss) gain, after-tax |  | (180) |  | 406 | (1,769) |  | 402
Effect of foreign exchange rates, pre-tax | [2] | 4 |  | 54 | 36 |  | 92
Effect of foreign exchange rates, tax |  | 0 |  | (16) | (7) |  | (25)
Effect of foreign exchange rates, after-tax |  | 4 |  | 38 | 29 |  | 67
Amortization of prior service benefit, pre-tax | [4] | (2) |  | (3) | (5) |  | (6)
Amortization of prior service benefit, tax |  | 1 |  | 1 | 2 |  | 2
Amortization of prior service benefit, after tax |  | (1) |  | (2) | (3) |  | (4)
Amortization of loss, pre-tax | [4] | 229 |  | 172 | 605 |  | 591
Amortization of loss, tax |  | (81) |  | (61) | (213) |  | (210)
Amortization of loss, after tax |  | 148 |  | 111 | 392 |  | 381
Curtailment (gain) loss, pre-tax | [4] | (1) |  | (7) | 65 |  | (7)
Curtailment (gain) loss, tax |  | (1) |  | 3 | (23) |  | 3
Curtailment (gain) loss, after-tax |  | (2) |  | (4) | 42 |  | (4)
Settlement loss, pre-tax | [4] | 22 |  | 44 | 60 |  | 53
Settlement loss, tax |  | (7) |  | (16) | (22) |  | (19)
Settlement loss, after tax |  | 15 |  | 28 | 38 |  | 34
Benefit plans, net, pre-tax |  | 24 |  | 894 | (1,939) |  | 1,351
Benefit plans, net, tax |  | (40) |  | (317) | 668 |  | (475)
Benefit plans, net, after-tax |  | (16) |  | 577 | (1,271) |  | 876
Other Long-Term Employee Benefit Plans [Member] |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |
Net (loss) gain, pre-tax | [2] | 0 |  | (73) | (265) |  | (73)
Net (loss) gain, tax |  | 0 |  | 27 | 95 |  | 27
Net (loss) gain, after-tax |  | 0 |  | (46) | (170) |  | (46)
Effect of foreign exchange rates, pre-tax | [2] | (2) |  | (1) | (2) |  | (1)
Effect of foreign exchange rates, tax |  | 0 |  | 1 | 0 |  | 1
Effect of foreign exchange rates, after-tax |  | (2) |  | 0 | (2) |  | 0
Amortization of prior service benefit, pre-tax | [4] | (36) |  | (39) | (111) |  | (143)
Amortization of prior service benefit, tax |  | 14 |  | 13 | 39 |  | 50
Amortization of prior service benefit, after tax |  | (22) |  | (26) | (72) |  | (93)
Amortization of loss, pre-tax | [4] | 21 |  | 20 | 56 |  | 58
Amortization of loss, tax |  | (8) |  | (7) | (20) |  | (20)
Amortization of loss, after tax |  | 13 |  | 13 | 36 |  | 38
Curtailment (gain) loss, pre-tax | [4] | 0 |  | (274) | (33) |  | (274)
Curtailment (gain) loss, tax |  | 0 |  | 98 | 11 |  | 98
Curtailment (gain) loss, after-tax |  | 0 |  | (176) | (22) |  | (176)
Benefit plans, net, pre-tax |  | (17) |  | (367) | (355) |  | (433)
Benefit plans, net, tax |  | 6 |  | 132 | 125 |  | 156
Benefit plans, net, after-tax |  | $ (11) |  | $ (235) | $ (230) |  | $ (277)
[1] | The currency translation gain for the three and nine months ended September 30, 2016 is primarily driven by the modest weakening of the U.S. dollar (USD) against the European Euro (EUR) and the Brazilian real (BRL). The currency translation loss for the three months ended September 30, 2015 was driven by the strengthening of the USD against the BRL partially offset by the USD weakening against the EUR. The currency translation loss for the nine months ended September 30, 2015 was driven by the strengthening of the USD against both the BRL and the EURO.
[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 nine months ended September 30, 2016 is due to the re-measurement of USD denominated marketable securities held by certain foreign entities at September 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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