Income Taxes - Income Tax Reconciliation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income taxes at U.S. statutory rate of 35%									$ 304.3	$ 266.4	$ 268.1
State taxes, net of federal benefit									2.3	2.2	1.1
U.S. tax on non-U.S. earnings									(2.8)	22.3	9.4
Affiliates' earnings									(15.6)	(15.0)	(13.4)
Foreign rate differential									(73.4)	(57.9)	(60.0)
Tax holidays									(15.6)	(27.0)	(21.3)
Withholding taxes									15.4	12.3	10.9
Impairments and write-offs									5.2	15.9	6.4
Tax credits									(6.9)	(2.3)	(4.0)
Reserve adjustments, settlements and claims									0.5	12.9	(1.0)
Valuation allowance adjustments									(1.4)	9.7	(5.3)
Other									6.3	(0.9)	4.4
Provision for income taxes	44.5	56.3	66.6	50.9	48.4	64.2	68.5	57.5	218.3	238.6	195.3
Tax benefit associated with restructuring						7.7			7.1	7.7
Tax benefit of project termination settlement									3.8
Tax benefit associated retirement obligations					6.1				2.1
Other tax adjustments		5.6		1.7	3.9	6.9			11.7	19.8	6.2
Tax benefit of research and development and international tax credit extensions				6.6					6.7
2012 return to provision and other adjustments		(3.1)							2.2
Reversal of certain state valuation allowances	4.4	2.5							8.0
Tax impact of other tax adjustments				4.9					5.2
Tax benefit (expense) associated with disposal activities and restructuring										2.0
Tax impact of loss on disposals		11.2					5.5			5.7	2.7
Settlement of certain tax audits										5.9
Impact of change in repatriation assertion							9.0			7.5
Change in enacted tax rate										4.7
Tax impact of writedown of tax accounts										11.1
Tax impact of patent infringement settlement											$ 11.0