SHAREHOLDERS' INTEREST - Reconciliation of Our Common Share Activity (Details)	3 Months Ended	12 Months Ended
Sep. 30, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Class of Stock [Line Items]
Outstanding at beginning of year		536,425,400	535,976,000	211,359,000
Stock options exercised		5,404,000	2,199,000	133,000
Issued for restricted stock units		523,000	540,000	165,000
Issued for Directors' stock-equivalent units		41,000	0	0
Issued as part of Special Dividend	324,000,000	0	0	324,319,000
Repurchased		0	(2,290,000)	0
Outstanding at end of year		542,392,642	536,425,400	535,976,000

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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