v3.7.0.1
Consolidated VREs Recorded in Condensed Consolidated Statements of Financial Condition (Detail) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Consolidated Sponsored Investment Funds [Line Items]        
Cash and cash equivalents $ 5,508 $ 6,091 $ 5,065 $ 6,083
Trading investments 719 625    
Other assets 1,408 1,065    
Other liabilities (1,538) (1,007)    
Noncontrolling interests (61) (52)    
Consolidated Voting Rights Entities [Member]        
Consolidated Sponsored Investment Funds [Line Items]        
Cash and cash equivalents 86 53    
Trading investments 503 465    
Other assets 29 15    
Other liabilities (51) (50)    
Noncontrolling interests (77) (39)    
BlackRock’s net interests in consolidated VREs $ 490 $ 444