Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,068	$ 860
Other comprehensive income:
Foreign currency translation adjustments	(71)	42
Income tax effect	(8)	3
Foreign currency translation adjustment, net of income tax effect	(79)	45
Pension and other postretirement benefit plans	1	1
Income tax effect	0	0
Pension and other postretirement benefit plans, net of income tax effect	1	1
Unrealized gain on cash flow hedges	21	(27)
Income tax effect	(5)	6
Unrealized gain on cash flow hedges, net of income tax effect	16	(21)
Comprehensive income	1,006	885
Less: comprehensive income attributable to nonredeemable noncontrolling interests	(7)	(4)
Less: comprehensive income attributable to redeemable noncontrolling interests	(70)	(61)
Comprehensive income attributable to S&P Global Inc.	$ 929	$ 820