Pension Plans and Other Postretirement Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Funded status of fully funded, underfunded, and unfunded pension plans:
Overfunded defined benefit pension plans	$ 16.7		$ 32.1
Total underfunded and unfunded defined benefit pension plans	(299.6)		(396.5)
Unfunded defined benefit pension plans included in liabilities subject to compromise	(176.3)		(190.9)
Pension liabilities included in other current liabilities	(438.2)
Defined benefit pension plans, projected obligation	1,873.2		1,954.9
Postretirement Benefits Other Than Pensions
Percent of Net Actuarial Gains and Losses Over Accumulated Postretirement Benefit Obligation Recognized in Statement of Operations	10.00%
Defined contribution retirement plan
Percentage that the employer contributes of employee contributions under 401(k) plan	100.00%
Maximum percentage of employee compensation match by employer to defined contribution plan	6.00%
Costs related to defined contribution retirement plan	13.2		12.6		12.3
Pension Plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Overfunded defined benefit pension plans	16.7		32.1
Unfunded defined benefit pension plans included in liabilities subject to compromise	(123.6)		(131.2)
Pension liabilities included in other current liabilities	(15.0)		(14.0)
Net funded status	(421.5)		(509.6)
Defined benefit pension plans, projected obligation	1,873.2		1,954.9		1,735.1
Pension Plans | Overfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Overfunded defined benefit pension plans	16.7		32.1
Pension Plans | Underfunded and Unfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Total underfunded and unfunded defined benefit pension plans	(299.6)		(396.5)
Pension Plans | Underfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Total underfunded and unfunded defined benefit pension plans	(66.2)		(175.1)
Pension Plans | Unfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Total underfunded and unfunded defined benefit pension plans	(233.4)		(221.4)
U.S. qualified pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Overfunded defined benefit pension plans			0
Net funded status	(181.6)		(293.9)
Defined benefit pension plans, projected obligation	1,326.8		1,425.6		1,282.3
Defined benefit pension plans, discount rate	4.76%
U.S. qualified pension plans | Overfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Net funded status		[1]		[1]		[1]
Defined benefit pension plans, projected obligation		[1]		[1]		[1]
Defined benefit pension plans, discount rate	4.76%		3.75%
U.S. qualified pension plans | Underfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Net funded status	(52.2)	[1]	(156.9)	[1]	(202.2)	[1]
Defined benefit pension plans, projected obligation	1,197.4	[1]	1,288.6	[1]	1,157.5	[1]
Defined benefit pension plans, discount rate	4.76%
Non-U.S. pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Overfunded defined benefit pension plans	16.7		32.1
Net funded status	(239.9)		(215.7)
Defined benefit pension plans, projected obligation	546.4		529.3		452.8
Defined benefit pension plans, discount rate	4.25%		4.06%
Non-U.S. pension plans | Overfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Net funded status	16.7	[1]	32.1	[1]	42.5	[1]
Defined benefit pension plans, projected obligation	247.3	[1]	237.1	[1]	213.3	[1]
Defined benefit pension plans, discount rate	4.25%
Non-U.S. pension plans | Underfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Net funded status	(14.0)	[1]	(18.2)	[1]	(13.8)	[1]
Defined benefit pension plans, projected obligation	56.5	[1]	62.6	[1]	53.1	[1]
Non-U.S. pension plans | Unfunded pension plans
Funded status of fully funded, underfunded, and unfunded pension plans:
Net funded status	(242.6)	[2]	(229.6)	[2]	(186.4)	[2]
Defined benefit pension plans, projected obligation	242.6	[2]	229.6	[2]	186.4	[2]
Postretirement Benefits Other Than Pensions
Funded status of fully funded, underfunded, and unfunded pension plans:
Overfunded defined benefit pension plans
Net funded status	(57.2)		(63.9)
Defined benefit pension plans, projected obligation	57.2		63.9		64.6
Defined benefit pension plans, discount rate	4.26%		3.50%
Postretirement Benefits Other Than Pensions
Minimum eligible age for medical plan benefits (in years)	55 years
Minimum eligible tenure of service for medical plan benefits (in years)	10 years
Minimum required contribution by retirees and beneficiaries, as percentage of the calculated premium	40.00%
Percentage contribution by retirees for any increase in premium costs	100.00%
Initially assumed increase in per capita costs (as a percent)	8.25%
Ultimate health care cost rate (as a percent)	5.00%
Maximum impact of one percentage point increase (decrease) in assumed health care medical cost trend rate on postretirement benefit obligations	$ 1

[1] Plans intended to be advance-funded.

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