|
Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Allowances for doubtful accounts receivable | $ 13 | $ 16 |
| Common stock, par value | $ 1.00 | $ 1.00 |
| Common stock, shares authorized | 12,000 | 12,000 |
| Common stock, shares issued | 12,000 | 12,000 |
| Common stock, shares outstanding | 12,000 | 12,000 |