Business Segment Information (Summary of Operations by Reportable Segments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net revenues	$ 16,598.9	$ 15,668.2	$ 14,197.6
Segment Operating Income	2,363.5	2,171.5	1,930.3
Capital expenditures	254.1	365.6	221.3
Operating income (loss)	$ 2,017.6	$ 1,917.4	$ 1,665.3
Operating income (loss) as a percentage of revenues	12.20%	12.20%	11.70%
Depreciation and amortization	$ 397.4	$ 361.5	$ 353.3
Climate [Member]
Net revenues	13,075.9	12,343.8	11,167.5
Segment Operating Income	$ 1,908.5	$ 1,766.2	$ 1,572.7
Segment Operating Income As a Percentage Of Revenues	14.60%	14.30%	14.10%
Capital expenditures	$ 188.1	$ 217.3	$ 103.8
Depreciation and amortization	258.0	252.0	247.6
Industrial [Member]
Net revenues	3,523.0	3,324.4	3,030.1
Segment Operating Income	$ 455.0	$ 405.3	$ 357.6
Segment Operating Income As a Percentage Of Revenues	12.90%	12.20%	11.80%
Capital expenditures	$ 48.7	$ 80.9	$ 57.4
Depreciation and amortization	108.6	79.2	77.3
Segment Reconciling Items [Member]
Capital expenditures	17.3	67.4	60.1
Operating Expenses	(345.9)	(254.1)	(265.0)
Depreciation and amortization	30.8	30.3	28.4
Operating Segments [Member]
Capital expenditures	236.8	298.2	161.2
Depreciation and amortization	$ 366.6	$ 331.2	$ 324.9