| Schedule of Accumulated Other Comprehensive Loss [Table Text Block] |
The following table summarizes the components of Accumulated other comprehensive loss (dollars in millions): | | | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | June 30, 2015 | | June 30, 2014 | | June 30, 2015 | | June 30, 2014 | Foreign Currency Translation Adjustments | | | | | | | | Balance at beginning of period | $ | (881 | ) | | $ | (709 | ) | | $ | (1,064 | ) | | $ | (614 | ) | Other comprehensive income (loss) before reclassification adjustment, net of tax(a) | (149 | ) | | 46 |
| | (127 | ) | | (52 | ) | Reclassification adjustment, net of tax(a)(b) | 6 |
| | — |
| | 176 |
| | — |
| Other comprehensive income (loss), net of tax | (143 | ) | | 46 |
| | 49 |
| | (52 | ) | Other comprehensive income (loss) attributable to noncontrolling interests, net of tax | 1 |
| | 2 |
| | (8 | ) | | 5 |
| Balance at end of period | $ | (1,023 | ) | | $ | (661 | ) | | $ | (1,023 | ) | | $ | (661 | ) | Unrealized Gains and Losses on Securities, Net | | | | | | | | Balance at beginning of period | $ | 2 |
| | $ | 5 |
| | $ | (3 | ) | | $ | 2 |
| Other comprehensive income (loss) before reclassification adjustment, net of tax(a) | (4 | ) | | (1 | ) | | 2 |
| | 3 |
| Reclassification adjustment, net of tax(a) | (1 | ) | | 1 |
| | (2 | ) | | — |
| Other comprehensive income (loss), net of tax | (5 | ) | | — |
| | — |
| | 3 |
| Balance at end of period | $ | (3 | ) | | $ | 5 |
| | $ | (3 | ) | | $ | 5 |
| Defined Benefit Plans, Net | | | | | | | | Balance at beginning of period | $ | (6,452 | ) | | $ | (2,434 | ) | | $ | (7,006 | ) | | $ | (2,501 | ) | Other comprehensive loss before reclassification adjustment – prior service cost or credit, net of tax(a) | (4 | ) | | (19 | ) | | (7 | ) | | (24 | ) | Other comprehensive income (loss) before reclassification adjustment – actuarial gains or losses, net of tax(a) | (143 | ) | | (50 | ) | | 348 |
| | (22 | ) | Other comprehensive income (loss) before reclassification adjustment, net of tax | (147 | ) | | (69 | ) | | 341 |
| | (46 | ) | Reclassification adjustment – prior service cost or credit, net of tax(a)(c) | 7 |
| | (4 | ) | | 7 |
| | 11 |
| Reclassification adjustment – actuarial losses, net of tax(a)(c) | 75 |
| | 30 |
| | 141 |
| | 59 |
| Reclassification adjustment, net of tax(a) | 82 |
| | 26 |
| | 148 |
| | 70 |
| Other comprehensive income (loss), net of tax | (65 | ) | | (43 | ) | | 489 |
| | 24 |
| Balance at end of period | $ | (6,517 | ) | | $ | (2,477 | ) | | $ | (6,517 | ) | | $ | (2,477 | ) |
_______ | | (a) | The income tax effect was insignificant in the three and six months ended June 30, 2015 and 2014. |
| | (b) | Related to the change of our business model in Russia. Included in Automotive cost of sales. Refer to Note 12 for additional information. |
| | (c) | Included in the computation of net periodic pension and OPEB (income) expense. Refer to Note 9 for additional information. |
|