|
Supplemental Balance Sheet Data - Property Plant and Equipment (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Land | $ 192 | $ 196 |
| Buildings and Improvements, Gross | 2,753 | 2,776 |
| Machinery and Equipment, Gross | 14,296 | 14,193 |
| Construction in Progress, Gross | 474 | 515 |
| Property, Plant and Equipment, Gross | 17,715 | 17,680 |
| Less accumulated depreciation | (9,874) | (9,732) |
| Total | $ 7,841 | $ 7,948 |