Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Accrued expenses	$ 193	$ 170
Share-based compensation	122	116
Net operating loss and credit carry-forwards	642	805
Leasing liabilities	183	170
Other	252	163
Subtotal	1,392	1,424
Valuation allowance	(467)	(620)
Total deferred tax assets	925	804
Capitalized software development costs	(331)	(481)
Intangible assets	(2,047)	(2,319)
Property and equipment	(341)	(308)
Capitalized commissions	(112)	(106)
Investments in joint ventures	(562)	(597)
Leasing right-of-use assets	(144)	(134)
Other	(386)	(405)
Total deferred tax liabilities	(3,923)	(4,350)
Total	$ (2,998)	$ (3,546)