Common Stock	9 Months Ended
Sep. 30, 2011
Common Stock [Abstract]
Stock Disclosure [Text Block]	Common Stock During the third quarter of 2011, the Company repurchased approximately 4.4 million shares of its common stock for total consideration of approximately $126 million, at an average price per share of $28.28. For the nine months ending September 30, 2011, the Company has repurchased approximately 12.2 million shares for total consideration of $361 million at an average price per share of $29.44. The repurchased shares were reflected as an increase in treasury shares (a decrease in shares outstanding). During the third quarter of 2011, the Company received authorization to increase the share repurchase program to $1 billion from $500 million. The Company remains authorized to repurchase additional shares of its common stock up to a value of $553 million. There is no time limit on this authorization.

Common Stock

During the third quarter of 2011, the Company repurchased approximately 4.4 million shares of its common stock for total consideration of approximately $126 million, at an average price per share of $28.28. For the nine months ending September 30, 2011, the Company has repurchased approximately 12.2 million shares for total consideration of $361 million at an average price per share of $29.44. The repurchased shares were reflected as an increase in treasury shares (a decrease in shares outstanding). During the third quarter of 2011, the Company received authorization to increase the share repurchase program to $1 billion from $500 million. The Company remains authorized to repurchase additional shares of its common stock up to a value of $553 million. There is no time limit on this authorization.