Goodwill And Other Acquired Intangible Assets - Acquired Intangible Assets and Related Amortization (Detail) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, net	$ 2,177	$ 2,210
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	2,043	2,024
Accumulated amortization	(480)	(453)
Acquired intangible assets, net	1,563	1,571
Software/product technology
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	667	661
Accumulated amortization	(305)	(283)
Acquired intangible assets, net	362	378
Database
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	178	178
Accumulated amortization	(69)	(64)
Acquired intangible assets, net	109	114
Trade names
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	198	197
Accumulated amortization	(62)	(58)
Acquired intangible assets, net	136	139
Other
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, gross	52	52
Accumulated amortization	(45)	(44)
Acquired intangible assets, net	$ 7	$ 8