Schedule of Investments (Parenthetical) - USD ($)		Dec. 31, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Total U.S. Treasury Obligations (Cost)		$ 115,820,868	$ 143,563,956
Face value		116,000,000	144,000,000
U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Face value		$ 9,979,447	$ 12,951,089
Us Treasury Bills 1.69 1/2/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1]	1.69%
Face value	[1]	$ 29,000,000
Us Treasury Bills 1.65 1/23/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1]	1.65%
Face value	[1]	$ 29,000,000
Us Treasury Bills 1.55 2/20/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1],[2]	1.55%
Face value	[1],[2]	$ 29,000,000
Us Treasury Bills 1.57 3/12/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1]	1.57%
Face value	[1]	$ 29,000,000
U.S. Treasury Bills 2.29%, 1/17/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3]		2.29%
Face value	[3]		$ 42,000,000
U.S. Treasury Bills 2.33%, 2/7/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3]		2.33%
Face value	[3]		$ 27,000,000
U.S. Treasury Bills 2.38%, 2/28/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3],[4]		2.38%
Face value	[3],[4]		$ 40,000,000
U.S. Treasury Bills 2.39%, 3/21/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3]		2.39%
Face value	[3]		$ 35,000,000
WisdomTree Continuous Commodity Index Master Fund [Member]
Schedule of Investments [Line Items]
Total U.S. Treasury Obligations (Cost)		115,820,868	143,563,956
Face value		116,000,000	144,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Face value		$ 9,979,447	$ 12,951,089
WisdomTree Continuous Commodity Index Master Fund [Member] | Us Treasury Bills 1.69 1/2/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1]	1.69%
Face value	[1]	$ 29,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | Us Treasury Bills 1.65 1/23/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1]	1.65%
Face value	[1]	$ 29,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | Us Treasury Bills 1.55 2/20/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1],[2]	1.55%
Face value	[1],[2]	$ 29,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | Us Treasury Bills 1.57 3/12/20 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[1]	1.57%
Face value	[1]	$ 29,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | U.S. Treasury Bills 2.29%, 1/17/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3]		2.29%
Face value	[3]		$ 42,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | U.S. Treasury Bills 2.33%, 2/7/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3]		2.33%
Face value	[3]		$ 27,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | U.S. Treasury Bills 2.38%, 2/28/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3],[4]		2.38%
Face value	[3],[4]		$ 40,000,000
WisdomTree Continuous Commodity Index Master Fund [Member] | U.S. Treasury Bills 2.39%, 3/21/19 [Member] | U.S. Treasuries [Member]
Schedule of Investments [Line Items]
Investment Interest Rate	[3]		2.39%
Face value	[3]		$ 35,000,000

[1] Interest rate shown reflects the yield to maturity at time of purchase.

[2] All or a portion of this security is held by the broker as collateral for open futures contracts. The securities collateral posted was comprised entirely of U.S. Treasury securities having a market value of $12,951,089 as of December 31, 2019.

[3] Interest rate shown reflects the yield to maturity at the time of purchase.

[4] All or a portion of this security is held by the broker as collateral for open futures contracts. The securities collateral posted was comprised entirely of U.S. Treasury securities having a market value of $12,951,089 as of December 31, 2018.