| **Accumulated Other Comprehensive Loss - (Tables)**                      | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
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| **Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Accumulated Other Comprehensive Loss                                     | The following tables present the changes in accumulated other comprehensive loss, net of tax: Pensions and Other Postretirement BenefitsForeign Currency Translation AdjustmentsAccumulated Other Comprehensive LossBalance at December 31, 2015 $(261)  $(744)  $(1,005) Other comprehensive income before reclassifications 11  40  51 Amounts reclassified from accumulated other comprehensive loss 4  —  4 Deferred taxes (1)  —  (1) Balance at June 30, 2016 $(247)  $(704)  $(951)  Pensions and Other Postretirement BenefitsForeign Currency Translation AdjustmentsAccumulated Other Comprehensive LossBalance at December 31, 2014 $(246)  $(503)  $(749) Other comprehensive income (loss) before reclassifications 5  (91)  (86) Amounts reclassified from accumulated other comprehensive loss (7)  —  (7) Deferred taxes 3  —  3 Balance at June 30, 2015 $(245)  $(594)  $(839)  |

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| - References
No definition available.
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| - Definition
Tabular disclosure of the components of accumulated other comprehensive income (loss).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580
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