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Stockholders' Equity (Schedule of Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Cumulative translation adjustment, pre-tax | $ (14) |  | $ (412) |  | $ (223) |  | $ (242) |
Cumulative translation adjustment, tax | 0 |  | 0 |  | 0 |  | 0 |
Cumulative translation adjustment, after-tax | (14) |  | (412) |  | (223) |  | (242) |
Additions and revaluations of derivatives designated as cash flow hedges, pre-tax | (8) | [1] | 38 | [1] | (24) | [1] | 36 | [1]
Additions and revaluations of derivatives designated as cash flow hedges, tax | 2 |  | (15) |  | 9 |  | (15) |
Additions and revaluations of derivatives designated as cash flow hedges, after-tax | (6) |  | 23 |  | (15) |  | 21 |
Clearance of hedge results to earnings, pre-tax | (18) |  | (23) |  | (28) |  | (55) |
Net revaluation and clearance of cash flow hedges to earnings, pre-tax | (26) |  | 15 |  | (52) |  | (19) |
Net revaluation and clearance of cash flow hedges to earnings, tax | 9 |  | (5) |  | 20 |  | 8 |
Net revaluation and clearance of cash flow hedges to earnings, after-tax | (17) |  | 10 |  | (32) |  | (11) |
Net unrealized gain (loss) on securities, pre-tax | 3 |  | 1 |  | 1 |  | 2 |
Net unrealized gain (loss) on securities, tax | (1) |  | (1) |  | (1) |  | (1) |
Net unrealized gain (loss) on securities, net of tax | 2 |  | 0 |  | 0 |  | 1 |
Other comprehensive income (loss), pre-tax | 185 |  | (177) |  | 244 |  | 174 |
Other comprehensive income (loss), tax | (67) |  | (76) |  | (142) |  | (140) |
Other comprehensive income (loss), after-tax | 118 |  | (253) |  | 102 |  | 34 |
Pension Plans [Member] |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Net (loss) gain, pre-tax | 0 | [1] | 4 | [1] | 56 | [1] | (19) | [1]
Net (loss) gain, tax | 0 |  | 7 |  | (14) |  | 10 |
Net (loss) gain, after-tax | 0 |  | 11 |  | 42 |  | (9) |
Prior service benefit (cost), pre-tax | 0 | [1] | 0 | [1] | 0 | [1] | 22 | [1]
Prior service benefit (cost), tax | 0 |  | (1) |  | 0 |  | (8) |
Prior service benefit (cost), after-tax | 0 |  | (1) |  | 0 |  | 14 |
Amortization of prior service cost (benefit), pre-tax | 3 | [2] | 3 | [2] | 6 | [2] | 7 | [2]
Amortization of prior service cost (benefit), tax | (1) |  | (1) |  | (2) |  | (2) |
Amortization of prior service cost (benefit), after tax | 2 |  | 2 |  | 4 |  | 5 |
Amortization of (gain) loss, pre-tax | 239 | [2] | 220 | [2] | 480 | [2] | 439 | [2]
Amortization of (gain) loss, tax | (82) |  | (77) |  | (164) |  | (152) |
Amortization of (gain) loss, after tax | 157 |  | 143 |  | 316 |  | 287 |
Curtailment (gain) loss, pre-tax |  |  |  |  | 1 | [2] | 0 | [2]
Curtailment (gain) loss, tax |  |  |  |  | 0 |  | 0 |
Curtailment (gain) loss, after tax |  |  |  |  | 1 |  | 0 |
Settlement loss, pre-tax |  |  |  |  | 152 | [2] | 0 | [2]
Settlement loss, tax |  |  |  |  | (45) |  | 0 |
Settlement loss, after tax |  |  |  |  | 107 |  | 0 |
Benefit plans, net, pre-tax | 242 |  | 227 |  | 695 |  | 449 |
Benefit plans, net, tax | (83) |  | (72) |  | (225) |  | (152) |
Benefit plans, net, after-tax | 159 |  | 155 |  | 470 |  | 297 |
Other Long-Term Employee Benefit Plans Defined Benefit [Member] |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Net (loss) gain, pre-tax | 28 | [1] | 0 | [1] | 45 | [1] | 0 | [1]
Net (loss) gain, tax | (9) |  | 0 |  | (15) |  | 0 |
Net (loss) gain, after-tax | 19 |  | 0 |  | 30 |  | 0 |
Amortization of prior service cost (benefit), pre-tax | (46) | [2] | (30) | [2] | (94) | [2] | (60) | [2]
Amortization of prior service cost (benefit), tax | 17 |  | 9 |  | 34 |  | 20 |
Amortization of prior service cost (benefit), after tax | (29) |  | (21) |  | (60) |  | (40) |
Amortization of (gain) loss, pre-tax | (2) | [2] | 22 | [2] | 25 | [2] | 44 | [2]
Amortization of (gain) loss, tax | 0 |  | (7) |  | (9) |  | (15) |
Amortization of (gain) loss, after tax | (2) |  | 15 |  | 16 |  | 29 |
Curtailment (gain) loss, pre-tax |  |  |  |  | (154) | [2] | 0 | [2]
Curtailment (gain) loss, tax |  |  |  |  | 54 |  | 0 |
Curtailment (gain) loss, after tax |  |  |  |  | (100) |  | 0 |
Settlement loss, pre-tax |  |  |  |  | 1 | [2] | 0 | [2]
Settlement loss, tax |  |  |  |  | 0 |  | 0 |
Settlement loss, after tax |  |  |  |  | 1 |  | 0 |
Benefit plans, net, pre-tax | (20) |  | (8) |  | (177) |  | (16) |
Benefit plans, net, tax | 8 |  | 2 |  | 64 |  | 5 |
Benefit plans, net, after-tax | (12) |  | (6) |  | (113) |  | (11) |
Net Sales [Member] | Foreign Currency Contract [Member] |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Clearance of hedge results to earnings, pre-tax | (7) |  | (3) |  | (3) |  | (6) |
Clearance of hedge results to earnings, tax | 3 |  | 1 |  | 1 |  | 2 |
Clearance of hedge results to earnings, after-tax | (4) |  | (2) |  | (2) |  | (4) |
COGS [Member] | Commodity Contract [Member] |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Clearance of hedge results to earnings, pre-tax | (11) |  | (20) |  | (25) |  | (49) |
Clearance of hedge results to earnings, tax | 4 |  | 9 |  | 10 |  | 21 |
Clearance of hedge results to earnings, after-tax | $ (7) |  | $ (11) |  | $ (15) |  | $ (28) |
[1] | These amounts represent changes in accumulated other comprehensive income excluding changes due to reclassifying amounts to the interim Consolidated Income Statements.
[2] | These accumulated other comprehensive income 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 12 for additional information.

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