In Millions | 12 Months Ended
Dec. 31, 2009
| 12 Months Ended
Dec. 31, 2008
| 12 Months Ended
Dec. 31, 2007
| 12 Months Ended
Dec. 31, 2009
Other Additional Capital [Member]
| 12 Months Ended
Dec. 31, 2008
Other Additional Capital [Member]
| 12 Months Ended
Dec. 31, 2007
Other Additional Capital [Member]
| Dec. 31, 2006
Other Additional Capital [Member]
| 12 Months Ended
Dec. 31, 2009
Treasury Stock [Member]
| 12 Months Ended
Dec. 31, 2008
Treasury Stock [Member]
| 12 Months Ended
Dec. 31, 2007
Treasury Stock [Member]
| Dec. 31, 2006
Treasury Stock [Member]
| 12 Months Ended
Dec. 31, 2009
Retained Earnings, Unappropriated [Member]
| 12 Months Ended
Dec. 31, 2008
Retained Earnings, Unappropriated [Member]
| 12 Months Ended
Dec. 31, 2007
Retained Earnings, Unappropriated [Member]
| Dec. 31, 2006
Retained Earnings, Unappropriated [Member]
| Dec. 31, 2009
Accumulated Other Comprehensive Income [Member]
| Dec. 31, 2008
Accumulated Other Comprehensive Income [Member]
| Dec. 31, 2007
Accumulated Other Comprehensive Income [Member]
| Dec. 31, 2006
Accumulated Other Comprehensive Income [Member]
| 12 Months Ended
Dec. 31, 2009
Accumulated Net Unrealized Investment Gain (Loss) [Member]
| 12 Months Ended
Dec. 31, 2008
Accumulated Net Unrealized Investment Gain (Loss) [Member]
| 12 Months Ended
Dec. 31, 2009
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
| 12 Months Ended
Dec. 31, 2008
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
| 12 Months Ended
Dec. 31, 2007
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
| 12 Months Ended
Dec. 31, 2009
Accumulated Translation Adjustment [Member]
| 12 Months Ended
Dec. 31, 2008
Accumulated Translation Adjustment [Member]
| 12 Months Ended
Dec. 31, 2007
Accumulated Translation Adjustment [Member]
| 12 Months Ended
Dec. 31, 2009
Accumulated Defined Benefit Plans Adjustment [Member]
| 12 Months Ended
Dec. 31, 2008
Accumulated Defined Benefit Plans Adjustment [Member]
| 12 Months Ended
Dec. 31, 2007
Accumulated Defined Benefit Plans Adjustment [Member]
| 12 Months Ended
Dec. 31, 2009
Noncontrolling Interest [Member]
| 12 Months Ended
Dec. 31, 2008
Noncontrolling Interest [Member]
| 12 Months Ended
Dec. 31, 2007
Noncontrolling Interest [Member]
| Dec. 31, 2006
Noncontrolling Interest [Member]
| 12 Months Ended
Dec. 31, 2009
Comprehensive Income [Member]
| 12 Months Ended
Dec. 31, 2008
Comprehensive Income [Member]
| 12 Months Ended
Dec. 31, 2007
Comprehensive Income [Member]
| Dec. 31, 2009
Common Stock [Member]
| Dec. 31, 2008
Common Stock [Member]
| Dec. 31, 2007
Common Stock [Member]
|