Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

Revenue Recognition [Abstract]

Summary of Revenue Disaggregated by Segment by Major Product Offerings and Timing of Revenue Recognition

The table below sets forth the Company’s revenue disaggregated within each segment by major product offerings and timing of revenue recognition.

(IN MILLIONS)   (UNAUDITED)		Three Months Ended September 30,				Nine Months Ended September 30,
		2019		2018		2019		2018
Connect Segment
Measure	$	530	$	545	$	1,615	$	1,668
Predict/Activate		216		218		640		681
Connect	$	746	$	763	$	2,255	$	2,349
Media Segment
Audience Measurement	$	621	$	596	$	1,848	$	1,793
Plan/Optimize		249		241		704		715
Media	$	870	$	837	$	2,552	$	2,508
Total	$	1,616	$	1,600	$	4,807	$	4,857
Timing of revenue recognition
Products transferred at a point in time	$	138	$	140	$	409	$	420
Products and services transferred over time		1,478		1,460		4,398		4,437
Total	$	1,616	$	1,600	$	4,807	$	4,857

Summary of Contract Assets and Contract Liabilities from Contracts with Customers

The table below sets forth the Company’s contract assets and contract liabilities from contracts with customers.

(IN MILLIONS)	September 30, 2019		December 31, 2018
Contract assets	$	260	$	210
Contract liabilities	$	317	$	359