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Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2018
Income Statement [Abstract] |
Other (income) expense, net [Table Text Block] | Other Income, Net:
| Three Months Ended March 31
| 2018 |  | 2017
| (Dollars in Millions)
Transformation initiatives | $ | 4 |  |  | $ | — |
Pension financing benefits, net | 3 |  |  | 3 |
Loss on non-consolidated affiliate transactions, net | — |  |  | (1 | )
| $ | 7 |  |  | $ | 2 |
Schedule of Product Warranty Liability [Table Text Block] | The following table provides a reconciliation of changes in the product warranty and recall claims liability:
| Three Months Ended March 31
| 2018 |  | 2017
| (Dollars in Millions)
Beginning balance | $ | 49 |  |  | $ | 55 |
Accruals for products shipped | 5 |  |  | 6 |
Changes in estimates | 1 |  |  | 3 |
Specific cause actions | 2 |  |  | — |
Foreign currency | 2 |  |  | 1 |
Settlements | (7 | ) |  | (13 | )
Ending balance | $ | 52 |  |  | $ | 52 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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