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Condensed Schedule of Investments | Mar. 31, 2016 USD ($) Number
--- | ---
Unrealized Gain (Loss) on Open Commodity Contracts | $ (96,981,140) |
Open Futures Contracts - Long [Member] | United States [Member] | NYMEX WTI Crude Oil Futures CL May 2016 contracts, expiring April 2016 [Member] |  |
Number of Contracts | Number | 91,625 | [1]
Unrealized Gain (Loss) on Open Commodity Contracts | $ (96,981,140) | [1]
% of Partners' Capital | (2.76%) | [1]
Cash Equivalent [Member] |  |
Market Value | $ 2,617,817,593 |
% of Partners' Capital | 74.52% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.07%, 4/07/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,999,125 |
% of Partners' Capital | 2.14% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.07%, 4/14/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,998,240 |
% of Partners' Capital | 2.14% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.11%, 4/21/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,995,417 |
% of Partners' Capital | 2.14% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.21%, 4/28/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,988,187 |
% of Partners' Capital | 2.14% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.26%, 5/05/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,987,722 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.33%, 5/12/2016 [Member] |  |
Principal Amount | $ 70,000,000 |
Market Value | $ 69,973,692 |
% of Partners' Capital | 1.99% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.31%, 5/19/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,969,000 |
% of Partners' Capital | 2.14% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.35%, 5/26/2016 [Member] |  |
Principal Amount | $ 180,000,000 |
Market Value | $ 179,904,514 |
% of Partners' Capital | 5.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.43%, 6/02/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,945,104 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.52%, 6/09/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,950,167 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.48%, 6/16/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,949,333 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.46%, 6/23/2016 [Member] |  |
Principal Amount | $ 70,000,000 |
Market Value | $ 69,926,568 |
% of Partners' Capital | 1.99% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.45%, 6/30/2016 [Member] |  |
Principal Amount | $ 150,000,000 |
Market Value | $ 149,829,375 |
% of Partners' Capital | 4.27% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.32%, 7/07/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,956,889 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.32%, 7/14/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,953,778 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.38%, 7/21/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,941,417 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.43%, 7/28/2016 [Member] |  |
Principal Amount | $ 100,000,000 |
Market Value | $ 99,859,055 |
% of Partners' Capital | 2.84% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.42%, 8/04/2016 [Member] |  |
Principal Amount | $ 50,000,000 |
Market Value | $ 49,927,951 |
% of Partners' Capital | 1.42% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.41%, 8/11/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,887,250 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.43%, 8/18/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,876,927 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.45%, 8/25/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,864,646 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.48%, 9/01/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,847,000 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.46%, 9/08/2016 [Member] |  |
Principal Amount | $ 100,000,000 |
Market Value | $ 99,797,778 |
% of Partners' Capital | 2.84% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.45%, 9/15/2016 [Member] |  |
Principal Amount | $ 100,000,000 |
Market Value | $ 99,791,250 |
% of Partners' Capital | 2.84% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.44%, 9/22/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,840,500 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | U.S. Treasury Bills, 0.38%, 9/29/2016 [Member] |  |
Principal Amount | $ 75,000,000 |
Market Value | $ 74,856,708 |
% of Partners' Capital | 2.13% |
Cash Equivalent [Member] | United States [Member] | US Treasury Securities [Member] |  |
Market Value | $ 2,017,817,593 |
% of Partners' Capital | 57.45% |
Cash Equivalent [Member] | United States [Member] | Money Market Funds [Member] |  |
Market Value | $ 600,000,000 |
% of Partners' Capital | 17.07% |
Cash Equivalent [Member] | United States [Member] | Money Market Funds [Member] | Fidelity Institutional Money Market Funds - Government Portfolio [Member] |  |
Principal Amount | $ 200,000,000 |
Market Value | $ 200,000,000 |
% of Partners' Capital | 5.69% |
Cash Equivalent [Member] | United States [Member] | Money Market Funds [Member] | Goldman Sachs Financial Square Funds - Government Fund - Class FS [Member] |  |
Principal Amount | $ 200,000,000 |
Market Value | $ 200,000,000 |
% of Partners' Capital | 5.69% |
Cash Equivalent [Member] | United States [Member] | Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Funds - Government Portfolio [Member] |  |
Principal Amount | $ 200,000,000 |
Market Value | $ 200,000,000 |
% of Partners' Capital | 5.69% |
[1] | Collateral amounted to $463,956,958 on open future contracts.

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