Business Acquisitions	3 Months Ended
Mar. 31, 2021
Business Combinations [Abstract]
Business Acquisitions	Note 4. Business Acquisitions Acquisitions For the three months ended March 31, 2021, Nielsen had no acquisitions. For the three months ended March 31, 2020, Nielsen paid cash consideration of $2 million associated with both current period and previously executed acquisitions, net of cash acquired. Had these 2020 acquisitions occurred as of January 1, 2020, the impact on Nielsen’s consolidated results of operations would not have been material.

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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