Goodwill And Other Acquired Intangible Assets - Acquired Intangible Assets and Related Amortization (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, net	$ 1,983	$ 2,049
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	2,045	2,065
Accumulated amortization	(573)	(556)
Acquired intangible assets, net	1,472	1,509
Software/product technology
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	667	674
Accumulated amortization	(377)	(364)
Acquired intangible assets, net	290	310
Database
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	178	179
Accumulated amortization	(86)	(82)
Acquired intangible assets, net	92	97
Trade names
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	198	199
Accumulated amortization	(75)	(72)
Acquired intangible assets, net	123	127
Other
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	52	52
Accumulated amortization	(46)	(46)
Acquired intangible assets, net	$ 6	$ 6