|
Condensed Consolidated Statements Of Financial Position (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified |
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Property, plant and equipment, accumulated depreciation | $ 14,554 | $ 13,993 |
| Other assets, accumulated amortization | $ 471 | $ 717 |
| Common stock, par value | $ 5.00 | $ 5.00 |
| Common stock, authorized | 1,200,000,000 | 1,200,000,000 |
| Common stock, shares issued | 1,012,261,159 | 1,012,261,159 |
| Treasury stock, shares | 258,532,626 | 267,556,388 |