| **Property, Plant and Equipment - (Notes)**  | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
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| **Property, Plant and Equipment [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Property, Plant and Equipment                | PROPERTY, PLANT AND EQUIPMENTProperty, plant and equipment are comprised of the following at December 31: Useful Life 2015 2014Land  $263 $286Buildings and improvements5 - 30 years 2,624 2,718Machinery, equipment and other1 - 20 years 11,184 14,274Subtotal  14,071 17,278Less:  Accumulated depreciation  7,378 8,215Total property, plant and equipment  $6,693 $9,063Depreciation expense relating to property, plant and equipment was $1,637 million, $1,706 million and $1,579 million in 2015, 2014 and 2013, respectively.  During 2015, we recorded impairment charges relating to property, plant and equipment totaling $1.32 billion.  See Note 3. "Impairment and Restructuring Charges" for further discussion. |

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| - References
No definition available.
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| - Definition
The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.
+ References
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