Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenues		$ 882	$ 861	$ 1,759	$ 1,724
Cost of revenues, exclusive of depreciation and amortization shown separately below		327	292	641	569
Selling, general and administrative expenses, exclusive of depreciation and amortization shown separately below		213	218	437	424
Depreciation and amortization		127	126	257	253
Restructuring charges	[1]	2	6	14	6
Operating income		213	219	410	472
Interest expense, net		67	69	133	149
Other expense/(income), net		1	26	(8)	30
Income from continuing operations before income taxes and equity in net income of affiliates		145	124	285	293
Provision for income taxes		33	36	66	96
Equity in net income of affiliates				(4)
Net income from continuing operations		112	88	223	197
Net income/(loss) from discontinued operations, net of income taxes		1	(10)	5	457
Net income		113	78	228	654
Net income attributable to noncontrolling interests		2	2	12	5
Net income attributable to Nielsen shareholders		$ 111	$ 76	$ 216	$ 649
Net income per share of common stock, basic
Net income from continuing operations attributable to Nielsen shareholders		$ 0.31	$ 0.24	$ 0.59	$ 0.54
Net income/(loss) from discontinued operations attributable to Nielsen shareholders		0.00	(0.03)	0.01	1.28
Net income attributable to Nielsen shareholders		0.31	0.21	0.60	1.81
Net income per share of common stock, diluted
Net income from continuing operations attributable to Nielsen shareholders		0.30	0.24	0.58	0.53
Net income/(loss) from discontinued operations attributable to Nielsen shareholders		0.00	(0.03)	0.01	1.27
Net income attributable to Nielsen shareholders		$ 0.31	$ 0.21	$ 0.60	$ 1.80
Weighted-average shares of common stock outstanding
Basic		359,776,182	358,620,131	359,654,815	358,287,878
Diluted		361,575,601	360,417,035	361,119,912	360,308,625

[1] Restructuring charges in all periods presented primarily consist of real estate consolidation.