v3.7.0.1
Condensed Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]        
Net income $ 867 $ 795 $ 1,738 $ 1,442
Other comprehensive income:        
Foreign currency translation adjustments [1] 102 (87) 142 (113)
Other   1 (1) 1
Other comprehensive income (loss) 102 (86) 141 (112)
Comprehensive income 969 709 1,879 1,330
Less: Comprehensive income (loss) attributable to noncontrolling interests 10 6 19 (4)
Comprehensive income attributable to BlackRock, Inc. $ 959 $ 703 $ 1,860 $ 1,334
[1] Amounts for the three months ended June 30, 2017 and 2016 include a loss from a net investment hedge of $31 million (net of a tax benefit of $18 million) and a gain of $12 million (net of tax of $8 million), respectively. Amounts for the six months ended June 30, 2017 and 2016 include a loss from a net investment hedge of $38 million (net of a tax benefit of $22 million) and $11 million (net of a tax benefit of $6 million), respectively.