|
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Receivables, allowance for doubtful accounts | $ 89 | $ 85 |
| Preferred stock, par | $ 1 | $ 1 |
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 |
| Preferred stock, issued | 0 | 0 |
| Common stock, par | $ 0.1667 | $ 0.1667 |
| Common stock, shares authorized | 300,000,000 | 300,000,000 |
| Common stock, shares issued | 194,250,130 | 193,230,310 |
| Treasury stock, shares | 32,537,691 | 29,225,996 |