Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Equity in broker trading accounts:
Cost of short-term investments	$ 589,978,960	$ 469,919,567
General Units:
Paid in capital units, issued	50	50
Limited Units:
Paid in Capital, redeemable units issued	20,300,000	16,250,000
Paid in Capital, redeemable units outstanding	20,300,000	16,250,000
GreenHaven Continuous Commodity Index Master Fund
Equity in broker trading accounts:
Cost of short-term investments	$ 589,978,960	$ 469,919,567
General Units:
Paid in capital units, issued	50	50
Limited Units:
Paid in Capital, redeemable units issued	20,300,000	16,250,000
Paid in Capital, redeemable units outstanding	20,300,000	16,250,000