Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income/(Loss), Net Currency Translation Adjustments	Accumulated Other Comprehensive Income/(Loss), Net Cash Flow Hedges	Accumulated Other Comprehensive Income/(Loss), Net Post Employment Benefits	Total Nielsen Shareholders' Equity	Noncontrolling Interests
Balance at Dec. 31, 2020	$ 2,243	$ 32	$ 4,340	$ (1,216)	$ (821)	$ (39)	$ (245)	$ 2,051	$ 192
Net income	576			573				573	3
Currency translation adjustments, net of tax	(5)				(3)			(3)	(2)
Cash flow hedges, net of tax	5					5		5
Net unrealized pension and other postretirement benefits, net of tax	3						3	3
Other Comprehensive Income gain/(loss) on disposition, net of tax	374				233		141	374
Dividends to shareholders	(24)		(21)					(21)	(3)
Payments related to tax withholding for share-based payment arrangements	(4)		(4)					(4)
Share-based compensation expense	7		7					7
Other	(5)		(8)					(8)	3
Balance at Mar. 31, 2021	3,170	32	4,314	(643)	(591)	(34)	(101)	2,977	193
Balance at Dec. 31, 2021	3,496	32	4,273	(253)	(647)	(18)	(73)	3,314	182
Net income	115			105				105	10
Currency translation adjustments, net of tax	(11)				(23)		11	(12)	1
Cash flow hedges, net of tax	13					13		13
Net unrealized pension and other postretirement benefits, net of tax	3						3	3
Employee stock purchase plan	1		1					1
Dividends to shareholders	(24)		(22)					(22)	(2)
Payments related to tax withholding for share-based payment arrangements	(4)		(4)					(4)
Share-based compensation expense	8		8					8
Balance at Mar. 31, 2022	$ 3,597	$ 32	$ 4,256	$ (148)	$ (670)	$ (5)	$ (59)	$ 3,406	$ 191