Revenues - Revenue Recognition Timing (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue recognized	$ 1,786	$ 1,470
At Point in Time
Disaggregation of Revenue [Line Items]
Revenue recognized	698	458
Over Time
Disaggregation of Revenue [Line Items]
Revenue recognized	1,088	1,012
MA
Disaggregation of Revenue [Line Items]
Revenue recognized	799	737
MA | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	802	740
MA | At Point in Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	21	27
MA | Over Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	778	710
MIS
Disaggregation of Revenue [Line Items]
Revenue recognized	987	733
MIS | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	1,034	778
MIS | At Point in Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	677	431
MIS | Over Time | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue recognized	$ 310	$ 302