Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenues		$ 877	$ 863
Cost of revenues, exclusive of depreciation and amortization shown separately below		314	277
Selling, general and administrative expenses, exclusive of depreciation and amortization shown separately below		224	206
Depreciation and amortization		130	127
Restructuring charges	[1]	12
Operating income		197	253
Interest expense, net		66	80
Other (income)/expense, net		(9)	4
Income from continuing operations before income taxes and net income of affiliates		140	169
Provision for income taxes		33	60
Equity in net income of affiliates		(4)
Net income from continuing operations		111	109
Net income from discontinued operations, net of income taxes		4	467
Net income		115	576
Net income attributable to noncontrolling interests		10	3
Net income attributable to Nielsen shareholders		$ 105	$ 573
Net income per share of common stock, basic
Net income from continuing operations attributable to Nielsen shareholders		$ 0.28	$ 0.30
Net income from discontinued operations attributable to Nielsen shareholders		0.01	1.30
Net income attributable to Nielsen shareholders		0.29	1.60
Net income per share of common stock, diluted
Net income from continuing operations attributable to Nielsen shareholders		0.28	0.29
Net income from discontinued operations attributable to Nielsen shareholders		0.01	1.30
Net income attributable to Nielsen shareholders		$ 0.29	$ 1.59
Weighted-average shares of common stock outstanding
Basic		359,531,490	357,944,731
Diluted		360,662,265	360,189,322

[1] For the three months ended March 31, 2022, restructuring charges primarily consist of real estate consolidation.