Acquisitions and Divestiture - Total Consideration Relating to Acquisition (Detail) - USD ($) $ in Millions	Nov. 30, 2021	Sep. 15, 2021	Mar. 19, 2021	Feb. 13, 2020
PassFort
Business Acquisition [Line Items]
Cash paid at closing	$ 157
Additional consideration paid to sellers	1
Total consideration	$ 158
RMS
Business Acquisition [Line Items]
Cash paid at closing		$ 1,922
Replacement equity compensation awards		5
Total consideration		$ 1,927
Cortera
Business Acquisition [Line Items]
Cash paid at closing			$ 138
Additional consideration paid to sellers in 2020			1
Total consideration			$ 139
Regulatory DataCorp
Business Acquisition [Line Items]
Cash paid at closing				$ 700
Additional consideration paid to sellers in 2020				2
Total consideration				$ 702