Revenues - Revenue Recognition Timing (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue recognized	$ 1,817	$ 1,494	$ 3,603	$ 2,964
At Point in Time
Disaggregation of Revenue [Line Items]
Revenue recognized	710	465	1,408	924
Over Time
Disaggregation of Revenue [Line Items]
Revenue recognized	1,107	1,029	2,195	2,040
MA
Disaggregation of Revenue [Line Items]
Revenue recognized	802	747	1,601	1,484
MA | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	806	751	1,608	1,491
MA | At Point in Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	18	22	39	49
MA | Over Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	784	725	1,562	1,435
MIS
Disaggregation of Revenue [Line Items]
Revenue recognized	1,015	747	2,002	1,480
MIS | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	1,064	793	2,098	1,571
MIS | At Point in Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	692	443	1,369	875
MIS | Over Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	$ 323	$ 304	$ 633	$ 605