Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 17,118.8
Goodwill acquired	1,208.2
Other	(7.0)
Currency translation adjustments	(6.9)
Balance at end of period	18,313.1
Application Software
Goodwill [Roll Forward]
Balance at beginning of period	12,563.4
Goodwill acquired	1,208.2
Other	(7.0)
Currency translation adjustments	(4.0)
Balance at end of period	13,760.6
Network Software
Goodwill [Roll Forward]
Balance at beginning of period	3,624.6
Goodwill acquired	0.0
Other	0.0
Currency translation adjustments	(2.2)
Balance at end of period	3,622.4
Technology Enabled Products
Goodwill [Roll Forward]
Balance at beginning of period	930.8
Goodwill acquired	0.0
Other	0.0
Currency translation adjustments	(0.7)
Balance at end of period	$ 930.1