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Condensed Schedule of Investments | Jun. 30, 2017 USD ($)
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Unrealized Gain (Loss) on Open Commodity Contracts | $ (6,254,900) |
Open Futures Contracts - Long [Member] | United States [Member] | NYMEX WTI Crude Oil Futures CL August 2017 contracts, expiring July 2017* |  |
Number of Contracts | 68,833 | [1]
Unrealized Gain (Loss) on Open Commodity Contracts | $ (6,254,900) | [1]
% of Partners' Capital | (0.20%) | [1]
Cash Equivalents [Member] |  |
Market Value | $ 2,505,052,318 |
% of Partners' Capital | 79.05% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.62%, 7/06/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,993,594 |
% of Partners' Capital | 2.37% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.59%, 7/13/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,985,375 |
% of Partners' Capital | 2.37% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.61%, 7/20/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,976,052 |
% of Partners' Capital | 2.37% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.60%, 7/27/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,967,771 |
% of Partners' Capital | 2.37% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.63%, 8/03/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,957,031 |
% of Partners' Capital | 2.37% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.61%, 8/10/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,949,167 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.65%, 8/17/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,936,354 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.67%, 8/24/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,924,625 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.76%, 8/31/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,904,052 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.84%, 9/07/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,881,000 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.87%, 9/14/2017 [Member] |  |
Principal Amount | $ 100,000,000 |
Market Value | $ 99,819,583 |
% of Partners' Capital | 3.15% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.87%, 9/21/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,851,375 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.89%, 9/28/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,834,979 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.90%, 10/05/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,821,000 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.92%, 10/12/2017 [Member] |  |
Principal Amount | $ 60,000,000 |
Market Value | $ 59,842,925 |
% of Partners' Capital | 1.89% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.91%, 10/19/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,792,604 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.95%, 10/26/2017 [Member] |  |
Principal Amount | $ 90,000,000 |
Market Value | $ 89,722,125 |
% of Partners' Capital | 2.83% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.97%, 11/02/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,750,709 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.01%, 11/09/2017 [Member] |  |
Principal Amount | $ 80,000,000 |
Market Value | $ 79,707,434 |
% of Partners' Capital | 2.52% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 0.98%, 11/16/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,718,250 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.05%, 11/24/2017 [Member] |  |
Principal Amount | $ 80,000,000 |
Market Value | $ 79,660,956 |
% of Partners' Capital | 2.51% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.05%, 11/30/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,669,083 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.08%, 12/07/2017 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,645,563 |
% of Partners' Capital | 2.36% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.09%, 12/14/2017 [Member] |  |
Principal Amount | $ 80,000,000 |
Market Value | $ 79,601,600 |
% of Partners' Capital | 2.51% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.11%, 12/21/2017 [Member] |  |
Principal Amount | $ 80,000,000 |
Market Value | $ 79,577,111 |
% of Partners' Capital | 2.51% |
Cash Equivalents [Member] | United States [Member] | U.S. Treasury Bills, 1.10%, 12/28/2017 [Member] |  |
Principal Amount | $ 80,000,000 |
Market Value | $ 79,562,000 |
% of Partners' Capital | 2.51% |
Cash Equivalents [Member] | United States [Member] | US Treasury Securities [Member] |  |
Market Value | $ 1,995,052,318 |
% of Partners' Capital | 62.96% |
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member] |  |
Market Value | $ 510,000,000 |
% of Partners' Capital | 16.09% |
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member] | Fidelity Investments Money Market Funds - Government Portfolio [Member] |  |
Principal Amount | $ 200,000,000 |
Market Value | $ 200,000,000 |
% of Partners' Capital | 6.31% |
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member] | Goldman Sachs Financial Square Funds - Government Fund - Class FS [Member] |  |
Principal Amount | $ 160,000,000 |
Market Value | $ 160,000,000 |
% of Partners' Capital | 5.05% |
Cash Equivalents [Member] | United States [Member] | Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Funds - Government Portfolio [Member] |  |
Principal Amount | $ 150,000,000 |
Market Value | $ 150,000,000 |
% of Partners' Capital | 4.73% |
[1] | Collateral amounted to $453,625,077 on open futures contracts.

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