Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Significant Accounting Policies [Line Items]
Number of reportable segments | segment	3
Useful life	13 years 6 months
Deferred contract costs	$ 45	$ 26
Equity capital	27,698	25,786	$ 22,761	$ 22,748
Foreign currency transaction loss	$ 15	12	9
Employee stock
Significant Accounting Policies [Line Items]
Percentage of purchase price of common stock (in percentage)	85.00%
Foreign currency translation adjustments
Significant Accounting Policies [Line Items]
Equity capital	$ (285)	$ (230)	$ (278)	$ (150)
Software Development
Significant Accounting Policies [Line Items]
Useful life	3 years
Software Development Except Services and NYSE Platforms
Significant Accounting Policies [Line Items]
Useful life	7 years