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CONSOLIDATED BALANCE SHEETS (Parenthetical)
In Millions, unless otherwise specified |
Sep. 30, 2013
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Dec. 31, 2012
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|---|---|---|
| Treasury stock, shares | 1 | 1 |
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Class A common stock
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| Common stock, shares issued | 214 | 225 |
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Class B common stock
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| Common stock, shares issued | 716 | 729 |
| X | ||||||||||
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- Definition
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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