| **Inventories - (Tables)**    | 6 Months Ended                                                                                                                                                                                                                                                                                                           |
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| **Inventory, Net [Abstract]** |                                                                                                                                                                                                                                                                                                                     |
| Inventories, net of reserves  | Inventories, net of reserves of $78 million at June 30, 2016 and $278 million at December 31, 2015, are comprised of the following: June 30, 2016 December 31, 2015Finished goods$1,749 $2,649Work in process121 132Raw materials122 136Total inventories$1,992 $2,917 |

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| - References
No definition available.
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| - Definition
Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5
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