Pensions and Postretirement Benefits Other Than Pensions (Schedule of Company's Pension Plans) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009 Pension Plans [Member]	Dec. 31, 2011 Pension Plans [Member]	Dec. 31, 2010 Pension Plans [Member]	Dec. 31, 2011 Change In Benefit Obligations [Member] Pension Plans [Member]	Dec. 31, 2010 Change In Benefit Obligations [Member] Pension Plans [Member]	Dec. 31, 2011 Change In Plan Assets [Member] Pension Plans [Member]	Dec. 31, 2010 Change In Plan Assets [Member] Pension Plans [Member]
Benefit obligation at beginning of year							$ 3,799.5	$ 3,598.9
Service cost							93.5	87.1
Interest cost							185.5	194.5
Employee contributions							1.9	1.8	1.9	1.8
Amendments							0.9	4.7
Actuarial (gains) losses	8.5						273.4	184.7
Benefits paid							(244.4)	(231.2)	(244.4)	(231.2)
Currency translation							(6.0)	(34.6)
Curtailments and settlements							(254.8)	(1.6)
Other, including expenses paid							(8.4)	(4.8)	(8.4)	(4.8)
Benefit obligation at end of year							3,841.1	3,799.5
Fair value at beginning of year	3,109.7		3,266.4						3,248.6	2,695.9
Actual return on assets									270.3	316.9
Company contributions				113.5					57.3	499.2
Currency translation									(3.8)	(25.4)
Settlements									(221.1)	(3.8)
Fair value at end of year			3,266.4						3,100.4	3,248.6
Other noncurrent assets		1,488.8	1,405.1		4.7	5.1
Accrued compensation and benefits					(14.8)	(40.3)
Postemployment and other benefit liabilities					(730.6)	(477.9)
Liabilities held-for-sale		0	176.2		0	(37.8)
Net amount recognized					$ 740.7	$ 550.9