Pension Plans and Other Postretirement Benefit Plans (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Funded Status of Pension Plans
Projected benefit obligation	$ 1,873.2		$ 1,954.9
Fair value of plan assets		[1]		[1]		[1]
Estimated Expected Future Benefit Payments Reflecting Future Service and Medicare Subsidy Receipts
Total payments net of subsidy	104.4		90.8		88.4
Total Payments Net of Subsidy
2013	136.1
2014	110.4
2015	113.6
2016	115.5
2017	117.5
2018 - 2022	615.0
Pension Plans
Funded Status of Pension Plans
Projected benefit obligation	1,873.2		1,954.9		1,735.1
Fair value of plan assets	1,451.7		1,445.3		1,250.4
Net funded status	(421.5)		(509.6)
Benefits paid	(101.3)		(89.5)
Defined Benefit Plan, Accumulated Benefit Obligation	1,772		1,849
Pension Plans with Underfunded or Unfunded Accumulated Benefit Obligation
Projected benefit obligation	607.0		1,705.9
Accumulated benefit obligation	574.8		1,613.2
Fair value of plan assets	210.0		1,167.2
Estimated Expected Future Benefit Payments Reflecting Future Service and Medicare Subsidy Receipts
Medicare Subsidy Receipts
U.S. qualified pension plans
Funded Status of Pension Plans
Projected benefit obligation	1,326.8		1,425.6		1,282.3
Fair value of plan assets	1,145.2		1,131.7		955.3
Net funded status	(181.6)		(293.9)
Benefits paid	(79.2)		(66.4)
Pension Plans with Underfunded or Unfunded Accumulated Benefit Obligation
Projected benefit obligation	347.8		1,425.6
Accumulated benefit obligation	344.1		1,371.2
Fair value of plan assets	201.1		1,131.7
Estimated Expected Future Benefit Payments Reflecting Future Service and Medicare Subsidy Receipts
Benefit Payments, actual	79.2		66.4		65.5
Medicare Subsidy Receipts
Benefit Payments
2013	108.6
2014	82.2
2015	83.5
2016	84.9
2017	86.3
2018 - 2022	446.5
Total Payments Net of Subsidy
Funded status less than specified percentage, restriction on lump sum distribution to retiring participants	100.00%
Minimum percentage of plan to be funded and no longer in chapter 11 for lump sum distribution to retiring participants	80.00%
Estimated future benefit payments, amount excluded	28
Discount rate	4.76%
Percentage of high yield bonds in foreign issuers portfolio	30.00%
Expected return on plan assets	6.00%		6.25%
Average annual returns over one year (as a percent)	4.00%
Average annual returns over three years (as a percent)	8.00%
Average annual returns over five years (as a percent)	11.00%
Average annual returns over ten years (as a percent)	6.00%
U.S. qualified pension plans | Fully-Funded pension plans
Funded Status of Pension Plans
Projected benefit obligation		[2]		[2]		[2]
Fair value of plan assets		[2]		[2]		[2]
Net funded status		[2]		[2]		[2]
Benefits paid		[2]		[2]		[2]
Total Payments Net of Subsidy
Discount rate	4.76%		3.75%
U.S. qualified pension plans | Underfunded pension plans
Funded Status of Pension Plans
Projected benefit obligation	1,197.4	[2]	1,288.6	[2]	1,157.5	[2]
Fair value of plan assets	1,145.2	[2]	1,131.7	[2]	955.3	[2]
Net funded status	(52.2)	[2]	(156.9)	[2]	(202.2)	[2]
Benefits paid	(73.6)	[2]	(60.7)	[2]	(59.9)	[2]
Total Payments Net of Subsidy
Discount rate	4.76%
U.S. Nonqualified pension plans | Unfunded pension plans
Funded Status of Pension Plans
Projected benefit obligation	129.4	[1]	137.0	[1]	124.8	[1]
Fair value of plan assets		[1]		[1]		[1]
Net funded status	(129.4)	[1]	(137.0)	[1]	(124.8)	[1]
Benefits paid	(5.6)	[1]	(5.7)	[1]	(5.6)	[1]
Non-U.S. pension plans
Funded Status of Pension Plans
Projected benefit obligation	546.4		529.3		452.8
Fair value of plan assets	306.5		313.6		295.1
Net funded status	(239.9)		(215.7)
Benefits paid	(22.1)		(23.1)
Pension Plans with Underfunded or Unfunded Accumulated Benefit Obligation
Projected benefit obligation	259.2		280.3
Accumulated benefit obligation	230.7		242.0
Fair value of plan assets	8.9		35.5
Estimated Expected Future Benefit Payments Reflecting Future Service and Medicare Subsidy Receipts
Benefit Payments, actual	22.1		23.1		21.2
Medicare Subsidy Receipts
Benefit Payments
2013	23.0
2014	22.7
2015	24.4
2016	25.1
2017	26.0
2018 - 2022	146.7
Total Payments Net of Subsidy
Discount rate	4.25%		4.06%
Percentage of United Kingdom and German pension plans to total non-U.S. pension plans	86.00%		84.00%
Expected return on plan assets	4.66%		4.98%
Non-U.S. pension plans | Fully-Funded pension plans
Funded Status of Pension Plans
Projected benefit obligation	247.3	[2]	237.1	[2]	213.3	[2]
Fair value of plan assets	264.0	[2]	269.2	[2]	255.8	[2]
Net funded status	16.7	[2]	32.1	[2]	42.5	[2]
Benefits paid	(10.0)	[2]	(11.8)	[2]	(10.2)	[2]
Total Payments Net of Subsidy
Discount rate	4.25%
Non-U.S. pension plans | Underfunded pension plans
Funded Status of Pension Plans
Projected benefit obligation	56.5	[2]	62.6	[2]	53.1	[2]
Fair value of plan assets	42.5	[2]	44.4	[2]	39.3	[2]
Net funded status	(14.0)	[2]	(18.2)	[2]	(13.8)	[2]
Benefits paid	(4.2)	[2]	(3.6)	[2]	(2.2)	[2]
Non-U.S. pension plans | Unfunded pension plans
Funded Status of Pension Plans
Projected benefit obligation	242.6	[1]	229.6	[1]	186.4	[1]
Net funded status	(242.6)	[1]	(229.6)	[1]	(186.4)	[1]
Benefits paid	(7.9)	[1]	(7.7)	[1]	(8.8)	[1]
Non-U.S. pension plans | United Kingdom
Pension plans and other postretirement benefit plans
Defined Benefit Plan Percentage of Certain Specified foreign Plan Assets to Total Foreign Plan Assets	83.00%		82.00%
Total Payments Net of Subsidy
Discount rate	(4.34%)
Expected return on plan assets	4.25%
Non-U.S. pension plans | Germany
Total Payments Net of Subsidy
Discount rate	(3.76%)
Postretirement Benefits Other Than Pensions
Pension plans and other postretirement benefit plans
Defined Benefit Plan, Amortization of Net Gains (Losses)	(0.9)
Funded Status of Pension Plans
Projected benefit obligation	57.2		63.9		64.6
Fair value of plan assets	0		0		0
Net funded status	(57.2)		(63.9)
Benefits paid	(4.5)		(4.6)
Estimated Expected Future Benefit Payments Reflecting Future Service and Medicare Subsidy Receipts
Benefit Payments, actual	4.5		4.6		3.6
Medicare Subsidy Receipts	(1.4)		(3.3)		(1.9)
Benefit Payments
2013	6.2
2014	6.0
2015	5.8
2016	5.6
2017	5.3
2018 - 2022	22.1
Medicare Subsidy Receipts
2013	(1.7)
2014	(0.5)
2015	(0.1)
2016	(0.1)
2017	(0.1)
2018 - 2022	$ (0.3)
Total Payments Net of Subsidy
Discount rate	4.26%		3.50%

[1] Plans intended to be pay-as-you-go.

[2] Plans intended to be advance-funded.