v2.4.1.9
Basic and Diluted Net Income Per Common Unit (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share [Line Items]    
Net Income Attributable to The Blackstone Group L.P. $ 629,448us-gaap_NetIncomeLoss $ 265,617us-gaap_NetIncomeLoss
Weighted-Average Common Units Outstanding 625,276,969us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 601,527,299us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Basic Net Income Per Common Unit $ 1.01us-gaap_EarningsPerShareBasic $ 0.44us-gaap_EarningsPerShareBasic
Weighted-Average Common Units Outstanding 625,276,969us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 601,527,299us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted-Average Unvested Deferred Restricted Common Units 5,955,072us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 4,141,865us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Weighted-Average Diluted Common Units Outstanding 631,232,041us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 605,669,164us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted Net Income Per Common Unit $ 1.00us-gaap_EarningsPerShareDiluted $ 0.44us-gaap_EarningsPerShareDiluted