Compensation Plans - Narrative (Details) - USD ($) $ in Billions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 5.9	$ 5.8	$ 17.0	$ 16.5
Awards expected to be settled with stock	5.7	$ 5.6	16.4	$ 16.3
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 39.6		$ 39.6
Weighted average recognition period for unrecognized stock-based compensation expense			2 years 7 months 6 days