v3.22.0.1
Acquisitions - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Feb. 01, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Business acquisition purchase price, excluding settlement of debt   $ 1,106   $ 1,510
Amortization of intangible assets   147 $ 106 97
Total revenue   19,374 $ 16,205 $ 14,539
Aperio [Member]        
Business Acquisition [Line Items]        
Business acquisition, percentage of equity interest acquired 100.00%      
Business acquisition purchase price, excluding settlement of debt $ 1,051      
Business Acquisition goodwill expected tax deductible amount $ 600      
Amortization of intangible assets   $ 37    
Weighted average estimated useful life   9 years    
Total revenue   $ 78    
Business acquisitions of net income attributable   $ 0    
Aperio [Member] | Minimum [Member]        
Business Acquisition [Line Items]        
Finite lived intangible assets estimated useful lives   3 years    
Aperio [Member] | Maximum [Member]        
Business Acquisition [Line Items]        
Finite lived intangible assets estimated useful lives   10 years