Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 110	$ 103	$ 338	$ 757
Other comprehensive (loss)/income, net of tax
Foreign currency translation adjustments	(39)	(20)	(94)	180
Changes in the fair value of cash flow hedges	3	5	23	14
Net unrealized pension and other post-retirement benefits, net of tax	1	3	7	149
Total other comprehensive (loss)/income	(35)	(12)	(64)	343
Total comprehensive income	75	91	274	1,100
Less: comprehensive (loss)/income attributable to noncontrolling interests	1	1	10	6
Total comprehensive income attributable to Nielsen shareholders	$ 74	$ 90	$ 264	$ 1,094