CONSOLIDATED FINANCIAL DATA HIGHLIGHTS (Parenthetical)	9 Months Ended
CONSOLIDATED FINANCIAL DATA HIGHLIGHTS (Parenthetical)	Sep. 30, 2013	Sep. 30, 2012
Series A
Expenses including Investments in Non-Consolidated LLCs (before Profit Shares)	7.03%	7.04%
Profit Shares including Investments in Non-Consolidated LLCs	0.00%	0.70%
Expenses including Investments in Non-Consolidated LLCs	7.03%	7.74%
Net investment loss including Investments in Non-Consolidated LLCs	(7.02%)	(7.66%)
Series F
Expenses including Investments in Non-Consolidated LLCs (before Profit Shares)	7.04%	7.04%
Profit Shares including Investments in Non-Consolidated LLCs	0.00%	0.53%
Expenses including Investments in Non-Consolidated LLCs	7.04%	7.57%
Net investment loss including Investments in Non-Consolidated LLCs	(7.03%)	(7.48%)
Series G
Expenses including Investments in Non-Consolidated LLCs (before Profit Shares)	7.04%	7.04%
Profit Shares including Investments in Non-Consolidated LLCs	0.00%	0.53%
Expenses including Investments in Non-Consolidated LLCs	7.04%	7.57%
Net investment loss including Investments in Non-Consolidated LLCs	(7.03%)	(7.48%)
Series I
Expenses including Investments in Non-Consolidated LLCs (before Profit Shares)	3.86%	3.82%
Profit Shares including Investments in Non-Consolidated LLCs	0.02%	0.73%
Expenses including Investments in Non-Consolidated LLCs	3.88%	4.55%
Net investment loss including Investments in Non-Consolidated LLCs	(3.87%)	(4.46%)
Threshold percentage that Profit Share ratios round to less than	0.01%

BlackRock Global Horizons I L.P. 10-Q