Segment Reporting (Summarized Financial Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Gross Revenue	$ 13,321.8	$ 12,031.7	$ 12,193.0
Intercompany Revenue	(2,026.8)	(1,878.1)	(1,893.6)
Revenue	11,295.0	10,153.6	10,299.4
Depreciation, Amortization, Depletion and Accretion	1,268.2	1,158.8	1,122.4
Operating Income (Loss)	2,076.2	1,709.1	1,787.2
Capital Expenditures	1,316.3	1,194.6	1,207.1
Total Assets	24,955.0	23,434.0	22,683.8
Corporate entities and other
Segment Reporting Information [Line Items]
Gross Revenue	451.4	346.0	398.4
Intercompany Revenue	(48.9)	(41.8)	(44.8)
Depreciation, Amortization, Depletion and Accretion	178.8	167.8	153.7
Operating Income (Loss)	(555.2)	(601.0)	(371.1)
Capital Expenditures	172.6	182.2	164.9
Total Assets	2,828.9	2,835.6	2,350.2
Group 1
Segment Reporting Information [Line Items]
Revenue	5,558.9	5,057.5	5,001.9
Group 1 | Operating Segments
Segment Reporting Information [Line Items]
Gross Revenue	6,630.0	6,059.3	6,012.5
Intercompany Revenue	(1,071.1)	(1,001.8)	(1,010.6)
Depreciation, Amortization, Depletion and Accretion	548.1	502.1	493.7
Operating Income (Loss)	1,495.7	1,343.3	1,231.7
Capital Expenditures	601.9	546.6	551.3
Total Assets	12,199.2	11,593.1	11,389.1
Group 2
Segment Reporting Information [Line Items]
Revenue	5,333.6	4,791.9	4,943.9
Group 2 | Operating Segments
Segment Reporting Information [Line Items]
Gross Revenue	6,240.4	5,626.4	5,782.1
Intercompany Revenue	(906.8)	(834.5)	(838.2)
Depreciation, Amortization, Depletion and Accretion	541.3	488.9	475.0
Operating Income (Loss)	1,135.7	966.8	926.6
Capital Expenditures	541.8	465.8	490.9
Total Assets	9,926.9	9,005.3	8,944.5
Corporate entities and other
Segment Reporting Information [Line Items]
Revenue	$ 402.5	$ 304.2	$ 353.6