Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Gain (loss) on trading of commodity contracts:
Realized gain (loss) on closed positions	$ (311,621)	$ 164,707	$ (354,405)	$ (640,659)
Change in unrealized gain (loss) on open positions	(221,377)	(377,535)	(39,413)	(714,879)
Global Diversified Managed Futures Portfolio LLC	131,201	0	159,920	0
Foreign currency transaction gain (loss)	2,384	(3,924)	(3,768)	(15,401)
Total Trading gain (loss)	(399,413)	(216,752)	(237,666)	(1,370,939)
Net investment income (loss):
Interest income	53,525	55,524	134,740	154,464
Realized gain (loss) on fixed income securities	(52,174)	(47,078)	(59,167)	(178,092)
Change in unrealized gain (loss) on fixed income securities	(1,005)	20,397	(58,893)	101,707
Total net investment gain (loss)	346	28,843	16,680	78,079
Expenses:
Advisory fees	8,513	11,546	17,437	26,865
Management fees	95,243	103,780	199,097	239,399
Incentive fees	0	4,411	0	4,411
Ongoing offering expenses	14,000	21,001	21,500	37,467
Operating expenses	106,000	137,001	222,000	270,534
Total expenses	447,445	616,586	927,294	1,312,850
Trading income (loss)	(846,512)	(804,495)	(1,148,280)	(2,605,710)
Non-Trading income (loss):
Interest on Non-Trading reserve	122	84	266	142
Legal and administrative fees	(60,847)	(138,543)	(95,182)	(139,298)
Management fees paid to US Bank	(559)	(73,192)	(77,063)	(175,774)
Non-Trading income (loss)	(61,284)	(211,651)	(171,979)	(314,930)
Net income (loss)	(907,796)	(1,016,146)	(1,320,259)	(2,920,640)
Capital Unit, Class A [Member]
Expenses:
Commissions	220,411	332,014	459,546	718,852
Capital Unit, Class B [Member]
Expenses:
Commissions	$ 3,278	$ 6,833	$ 7,714	$ 15,322