ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Schedule Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Accumulated Other Comprehensive Income Components [Line Items]
Pre-tax Amount	$ (244.7)	$ (299.2)	$ (71.3)
Tax Benefit (Provision)	189.1	206.6	117.2
After-tax Amount	(55.6)	(92.6)	45.9
Postretirement benefit liability
Accumulated Other Comprehensive Income Components [Line Items]
Pre-tax Amount	(576.7)	(615.9)	(452.0)
Tax Benefit (Provision)	194.0	207.0	146.9
After-tax Amount	(382.7)	(408.9)	(305.1)	(319.1)
Unrealized Net Gain on Foreign Currency Translation
Accumulated Other Comprehensive Income Components [Line Items]
Pre-tax Amount	316.3	312.5	329.9
Tax Benefit (Provision)	0	0	(15.2)
After-tax Amount	316.3	312.5	314.7	163.1
Net Unrealized Gain on Derivative Financial Instruments
Accumulated Other Comprehensive Income Components [Line Items]
Pre-tax Amount	12.4	1.7	3.9
Tax Benefit (Provision)	(3.7)	(0.5)	(1.2)
After-tax Amount	8.7	1.2	2.7	4.0
Unrealized Net Gain (Loss) on Securities
Accumulated Other Comprehensive Income Components [Line Items]
Pre-tax Amount	3.3	2.5	46.9
Tax Benefit (Provision)	(1.2)	0.1	(13.3)
After-tax Amount	$ 2.1	$ 2.6	$ 33.6	$ 29.4