REVENUE RECOGNITION
See “Revenue Recognition” in Note 2 descriptions of revenues presented in the table below. The adoption of ASC 606 had no material impact on revenue recognition in 2018. The table below presents the revenues recognized for the years ended December 31, 2018, 2017 and 2016, disaggregated by category:
 
Years ended December 31,
 
2018
 
2017
 
2016
 
(in millions)
Investment management, advisory and service fees:
 
 
 
 
 
Base fees
$
2,877

 
$
2,730

 
$
2,487

Performance-based fees
118

 
95

 
33

Research services
439

 
450

 
480

Distribution services
723

 
701

 
651

Shareholder services
76

 
75

 
78

Other
19

 
18

 
17

Total investment management and service fees
$
4,252

 
$
4,069

 
$
3,746

 
 
 
 
 
 
Other income
$
479

 
$
423

 
$
385

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.