EARNINGS PER SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Basic earnings per share:
Weighted-average shares outstanding									203.6	204.3	204.7
Net earnings attributable to shareholders	$ 134.2	$ 140.3	$ 165.8	$ 164.2	$ 85.6	$ 144.7	$ 132.1	$ 146.1	$ 604.5	$ 508.5	$ 452.7
Dividends and undistributed earnings attributable to unvested shares									(1.4)	(1.4)	(1.4)
Net earnings attributable to shareholders used for basic earnings per share calculation									603.1	507.1	451.3
Net Earnings Attributable to Shareholders (in dollars per share)	$ 0.66	$ 0.69	$ 0.81	$ 0.80	$ 0.42	$ 0.71	$ 0.64	$ 0.71	$ 2.96	$ 2.48	$ 2.20
Diluted earnings per share:
Weighted-average shares outstanding									203.6	204.3	204.7
Incremental shares outstanding assuming the exercise/vesting of dilutive stock options/performance shares									0.7	0.7	0.4
Weighted-average shares - diluted									204.3	205.0	205.1
Net earnings attributable to shareholders	134.2	140.3	165.8	164.2	85.6	144.7	132.1	146.1	604.5	508.5	452.7
Dividends and undistributed earnings attributable to unvested shares									(1.4)	(1.4)	(1.4)
Net earnings attributable to shareholders used for diluted earnings per share calculation									$ 603.1	$ 507.1	$ 451.3
Net Earnings Attributable to Shareholders (in dollars per share - diluted)	$ 0.66	$ 0.69	$ 0.81	$ 0.80	$ 0.42	$ 0.70	$ 0.64	$ 0.71	$ 2.95	$ 2.47	$ 2.20
Potential shares outstanding	2.7				2.9				2.7	2.9	2.3
Potential shares outstanding, not included in the diluted earnings per share calculation									2.0	2.2	1.9