Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 19,312.9
Goodwill acquired	73.5
Other	7.5
Currency translation adjustments	14.3
Balance at end of period	19,408.2
Application Software
Goodwill [Roll Forward]
Balance at beginning of period	14,677.6
Goodwill acquired	0.0
Other	7.4
Currency translation adjustments	8.8
Balance at end of period	14,693.8
Network Software
Goodwill [Roll Forward]
Balance at beginning of period	3,706.4
Goodwill acquired	0.0
Other	0.1
Currency translation adjustments	5.3
Balance at end of period	3,711.8
Technology Enabled Products
Goodwill [Roll Forward]
Balance at beginning of period	928.9
Goodwill acquired	73.5
Other	0.0
Currency translation adjustments	0.2
Balance at end of period	$ 1,002.6