v3.22.0.1
Intangible Assets - Finite-lived Intangible Assets (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets - Remaining Weighted-Average Estimated Useful Life 6 years 7 months 6 days 7 years
Finite-lived intangible assets - Gross Carrying Amount $ 1,274 $ 976
Finite-lived intangible assets - Accumulated Amortization 399 291
Total $ 875 $ 685
Management Contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets - Remaining Weighted-Average Estimated Useful Life 3 years 6 months 4 years
Finite-lived intangible assets - Gross Carrying Amount $ 244 $ 283
Finite-lived intangible assets - Accumulated Amortization 169 172
Total $ 75 $ 111
Investor/Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets - Remaining Weighted-Average Estimated Useful Life 8 years 8 years 2 months 12 days
Finite-lived intangible assets - Gross Carrying Amount $ 746 $ 476
Finite-lived intangible assets - Accumulated Amortization 169 88
Total $ 577 $ 388
Technology-Related [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets - Remaining Weighted-Average Estimated Useful Life 4 years 1 month 6 days 6 years 4 months 24 days
Finite-lived intangible assets - Gross Carrying Amount $ 261 $ 203
Finite-lived intangible assets - Accumulated Amortization 49 25
Total $ 212 $ 178
Trade Names / Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets - Remaining Weighted-Average Estimated Useful Life 3 years 2 years 3 months 18 days
Finite-lived intangible assets - Gross Carrying Amount $ 23 $ 14
Finite-lived intangible assets - Accumulated Amortization 12 6
Total $ 11 $ 8