Rendering

Component: (Network and Table)
Network
101230 - Disclosure - Segment Information - Schedule of Long-Lived Assets by Geographic Region (Detail)
(http://www2.blackrock.com/20161231/taxonomy/role/DisclosureSegmentInformationScheduleOfLongLivedAssetsByGeographicRegionDetail)
TableSchedule Of Segment Reporting Information By Segment [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001364742 (http://www.sec.gov/CIK)
Segment Reporting Information [Line Items]Period [Axis]
2016-12-31
2015-12-31
GeographicalGeographical
Americas [Member]Europe [Member]Asia-Pacific [Member]GeographicalAmericas [Member]Europe [Member]Asia-Pacific [Member]Geographical
Long-lived assets
13,424,000,000  
163,000,000  
90,000,000  
13,677,000,000  
13,422,000,000  
186,000,000  
96,000,000  
13,704,000,000