Capital Stock	12 Months Ended
Dec. 31, 2013
Class of Stock [Line Items]
Capital Stock [Text Block]	Capital Stock Mandatory Convertible Preferred Stock On March 31, 2011, we issued 10,000,000 shares of our 5.875% mandatory convertible preferred stock, without par value and with an initial liquidation preference of $50.00 per share, at a price of $50.00 per share. Quarterly dividends on each share of the mandatory convertible preferred stock accrue at a rate of 5.875% per year on the initial liquidation preference of $50.00 per share. Dividends accrue and accumulate from the date of issuance and, to the extent that we are legally permitted to pay a dividend and the Board of Directors declares a dividend payable, we will pay dividends in cash on January 1, April 1, July 1 and October 1 of each year, commencing on July 1, 2011 and ending on April 1, 2014. The mandatory convertible preferred stock ranks senior to our common stock with respect to distribution rights in the event of any liquidation, winding-up or dissolution of the Company. Unless converted earlier, each share of the mandatory convertible preferred stock will automatically convert on April 1, 2014 into between 2.7454 and 3.4317 shares of common stock, depending on the market value of our common stock for the 20 consecutive trading day period ending on the third trading day prior to April 1, 2014, subject to customary anti-dilution adjustments (including in connection with the declaration of dividends on our common stock). At any time prior to April 1, 2014, holders may elect to convert shares of the mandatory convertible preferred stock at the minimum conversion rate of 2.7454 shares of common stock, subject to customary anti-dilution adjustments (including in connection with the declaration of dividends on our common stock). If certain fundamental changes involving the Company occur, holders of the mandatory convertible preferred stock may convert their shares into a number of shares of common stock at the fundamental change conversion rate described in our Amended Articles of Incorporation. Upon conversion, we will pay converting holders all accrued and unpaid dividends, whether or not previously declared, on the converted shares and, in the case of a conversion upon a fundamental change, the present value of the remaining dividend payments on the converted shares. Except as required by law or as specifically set forth in our Amended Articles of Incorporation, the holders of the mandatory convertible preferred stock have no voting rights. So long as any of the mandatory convertible preferred stock is outstanding, no dividend, except a dividend payable in shares of our common stock, or other shares ranking junior to the mandatory convertible preferred stock, may be paid or declared or any distribution be made on shares of the common stock unless all accrued and unpaid dividends on the then outstanding mandatory convertible preferred stock payable on all dividend payment dates occurring on or prior to the date of such action have been declared and paid or funds sufficient therefor set apart. Dividends During 2013, 2012 and 2011, we paid cash dividends of $29 million, $29 million, and $15 million, respectively, on our mandatory convertible preferred stock. On November 21, 2013, the Company’s Board of Directors (or a duly authorized committee thereof) declared cash dividends of $0.7344 per share of mandatory convertible preferred stock or $7 million in the aggregate. The dividend was paid on January 2, 2014 to stockholders of record as of the close of business of December 13, 2013. During 2013, we paid cash dividends of $12 million on our common stock. On January 13, 2014, the Company’s Board of Directors (or a duly authorized committee thereof) declared cash dividends of $0.05 per share of our common stock, or approximately $12 million in the aggregate. The cash dividend will be paid on March 3, 2014 to stockholders of record as of the close of business of January 31, 2014.

Capital Stock

Mandatory Convertible Preferred Stock

On March 31, 2011, we issued 10,000,000 shares of our 5.875% mandatory convertible preferred stock, without par value and with an initial liquidation preference of $50.00 per share, at a price of $50.00 per share. Quarterly dividends on each share of the mandatory convertible preferred stock accrue at a rate of 5.875% per year on the initial liquidation preference of $50.00 per share. Dividends accrue and accumulate from the date of issuance and, to the extent that we are legally permitted to pay a dividend and the Board of Directors declares a dividend payable, we will pay dividends in cash on January 1, April 1, July 1 and October 1 of each year, commencing on July 1, 2011 and ending on April 1, 2014. The mandatory convertible preferred stock ranks senior to our common stock with respect to distribution rights in the event of any liquidation, winding-up or dissolution of the Company.

Unless converted earlier, each share of the mandatory convertible preferred stock will automatically convert on April 1, 2014 into between 2.7454 and 3.4317 shares of common stock, depending on the market value of our common stock for the 20 consecutive trading day period ending on the third trading day prior to April 1, 2014, subject to customary anti-dilution adjustments (including in connection with the declaration of dividends on our common stock). At any time prior to April 1, 2014, holders may elect to convert shares of the mandatory convertible preferred stock at the minimum conversion rate of 2.7454 shares of common stock, subject to customary anti-dilution adjustments (including in connection with the declaration of dividends on our common stock). If certain fundamental changes involving the Company occur, holders of the mandatory convertible preferred stock may convert their shares into a number of shares of common stock at the fundamental change conversion rate described in our Amended Articles of Incorporation.

Upon conversion, we will pay converting holders all accrued and unpaid dividends, whether or not previously declared, on the converted shares and, in the case of a conversion upon a fundamental change, the present value of the remaining dividend payments on the converted shares. Except as required by law or as specifically set forth in our Amended Articles of Incorporation, the holders of the mandatory convertible preferred stock have no voting rights.

So long as any of the mandatory convertible preferred stock is outstanding, no dividend, except a dividend payable in shares of our common stock, or other shares ranking junior to the mandatory convertible preferred stock, may be paid or declared or any distribution be made on shares of the common stock unless all accrued and unpaid dividends on the then outstanding mandatory convertible preferred stock payable on all dividend payment dates occurring on or prior to the date of such action have been declared and paid or funds sufficient therefor set apart.

Dividends

During 2013, 2012 and 2011, we paid cash dividends of $29 million, $29 million, and $15 million, respectively, on our mandatory convertible preferred stock. On November 21, 2013, the Company’s Board of Directors (or a duly authorized committee thereof) declared cash dividends of $0.7344 per share of mandatory convertible preferred stock or $7 million in the aggregate. The dividend was paid on January 2, 2014 to stockholders of record as of the close of business of December 13, 2013.

During 2013, we paid cash dividends of $12 million on our common stock. On January 13, 2014, the Company’s Board of Directors (or a duly authorized committee thereof) declared cash dividends of $0.05 per share of our common stock, or approximately $12 million in the aggregate. The cash dividend will be paid on March 3, 2014 to stockholders of record as of the close of business of January 31, 2014.