XML 122 R91.htm IDEA: XBRL DOCUMENT v3.19.2
Unvested Units, After Expected Forfeitures (Detail)
 6 Months Ended
Jun. 30, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Blackstone Holdings Partnership Units (Units) 28,301,673
Deferred Restricted Blackstone Common Units (Units) 7,618,444
Total Equity-Based Awards (Units) 35,920,117
Phantom Units (Units) 40,016
Blackstone Holdings Partnership Units (Weighted-Average Service Period in Years) 3 years 2 months 12 days
Deferred Restricted Blackstone Common Units (Weighted-Average Service in Years) 2 years 1 month 6 days
Total Equity-Based Awards (Weighted-Average Service Period in Years) 3 years
Phantom Units (Weighted-Average Service Period in Years) 2 years