Goodwill And Other Intangible Assets (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) Reporting_Unit	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Goodwill [Line Items]
Reporting units for goodwill impairment testing | Reporting_Unit	5
Goodwill	$ 22,712.5	$ 22,580.5	$ 21,768.6
Impairment loss	$ 0.0	$ 0.0	0.0
Finite-lived intangible assets, weighted-average life (in years)	13 years	18 years
Total intangible amortization expense	$ 625.0	$ 616.0	$ 579.0
Future amortization expense, year one	623.0
Future amortization expense, year two	613.0
Future amortization expense, year three	595.0
Future amortization expense, year four	589.0
Future amortization expense, year five	550.0
Minimum
Goodwill [Line Items]
Goodwill	505.0
Maximum
Goodwill [Line Items]
Goodwill	$ 13,300.0