SHAREHOLDERS' INTEREST - Reconciliation of Our Common Share Activity (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Stock [Line Items]
Outstanding at beginning of year	542,392,642	536,425,000	535,976,000
New issuance (Note 3)	33,350,000	0	0
Issued for restricted stock units	462,000	523,000	540,000
Issued for Directors' stock-equivalent units	0	41,000	0
Repurchased	0	0	(2,290,000)
Outstanding at end of year	583,548,428	542,392,642	536,425,000
Stock options exercised
Class of Stock [Line Items]
Shares issued	7,209,000	5,404,000	2,199,000
Issued for performance shares
Class of Stock [Line Items]
Shares issued	134,000	0	0