Pensions and Postretirement Benefits Other Than Pensions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Percent of our projected benefit obligation relates to plans that cannot be funded		6.00%
Accumulated benefit obligation for all defined benefit pension plans		$ 4,032.2		$ 3,637.8
Projected benefit obligation		4,182.8		3,750.6
Accumulated benefit obligation		3,994.0		3,560.1
Fair value of plan assets		3,263.9		3,009.3
Target allocation percentage		90.00%
Multiemployer plan, period contributions		5.4		5.2		4.8
Net of Medicare Part D subsidy		0.7		7.4
Pension Plans [Member]
Company contributions						499.2
Projected company contributions in 2013		102.5
U.S. Plans [Member]
Discount rate		3.75%
Foreign Pension Plan Defined Contribution [Member]
Company contributions		27.1		28.8		20.4
United States Pension Plan Defined Contribution [Member]
Company contributions		76.8		79.2		69.9
Postretirement [Member]
Discount rate		3.25%				5.00%
Plan net actuarial gains (losses)		(15.4)		(63.3)
Postretirement Benefit Costs [Member]
Projected prior service cost for 2013		(10.3)		(3.5)		(3.4)
Postretirement benefit cost		34.0
Projected prior service gains in 2013	10.5
Plan net actuarial gains (losses)	10.6	7.3		1.6		11.0
Pension Cost [Member]
Projected pension expenses for 2013		148.4
Projected prior service cost for 2013	4.7	5.1		5.6		8.2
Projected net actuarial losses for 2013	62.3
Plan net actuarial gains (losses)		60.6		51.1		55.5
Hussmann Divestiture [Member]
Multiemployer plan, period contributions				6.4		9.4
Update for plan amendment in 2012 [Member] | Pension Plans [Member]
Defined contribution plan employer nonmatching contribution percent		2.00%
Discount rate		4.00%
Curtailment loss		(4.0)
Projected benefit obligation increase (decrease)		1.0
Plan assets increase (decrease)		29.4
Credit to prior service cost		(4.0)
Plan net actuarial gains (losses)		(28.4)
Update for plan amendment in 2012 [Member] | Postretirement [Member]
Discount rate		3.75%
Projected benefit obligation increase (decrease)		(40.5)
Credit to prior service cost		(61.8)
Plan net actuarial gains (losses)		21.3
Prior to 2012 plan amendment [Member] | U.S. Plans [Member]
Discount rate				4.25%
Prior to 2012 plan amendment [Member] | Postretirement [Member]
Discount rate				4.00%
Healthcare Reform Legislation [Member]
Healthcare reform legislation net actuarial gain						41.1
Change In Plan Assets [Member] | Pension Plans [Member]
Defined benefit plan, fair value of pension plan assets		3,310.2		3,100.4		3,248.6
Company contributions		89.1		57.3
Reclassified from Level 2 to Level 1 [Member]
Defined benefit plan, fair value of pension plan assets				13.0
Fixed Income Investments [Member]
Defined benefit plan, fair value of pension plan assets		2,255.0		2,139.1
Fixed Income Investments [Member] | Registered mutual funds, fixed income specialty [Member]
Defined benefit plan, fair value of pension plan assets		33.8	[1]	32.5	[1]
Fixed Income Investments [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets		33.8		32.5
Fixed Income Investments [Member] | Fair Value, Inputs, Level 1 [Member] | Registered mutual funds, fixed income specialty [Member]
Defined benefit plan, fair value of pension plan assets		$ 33.8	[1]	$ 32.5	[1]

[1] (c)This class comprises commingled and registered mutual funds that focus on fixed income securities.