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Condensed Statement of Changes in Partners' Capital - USD ($) | Total | General Partner [Member] | Limited Partners [Member]
--- | --- | --- | ---
Net income (loss) | $ (448,435,312) |  |
Net asset value, beginning of period at Dec. 31, 2014 | $ 20.15 |  |
Net asset value, end of period at Sep. 30, 2015 | $ 14.57 |  |
Beginning Balance at Dec. 31, 2015 | $ 3,122,069,753 | $ 0 | $ 3,122,069,753
Addition of 319,800,000 partnership shares | 3,008,171,568 | 0 | 3,008,171,568
Redemption of 294,300,000 partnership shares | (3,111,319,439) | 0 | (3,111,319,439)
Net income (loss) | 378,099,028 | 0 | 378,099,028
Ending Balance at Sep. 30, 2016 | $ 3,397,020,910 | $ 0 | $ 3,397,020,910
Net asset value, beginning of period at Dec. 31, 2015 | $ 11.02 |  |
Net asset value, end of period at Sep. 30, 2016 | $ 11 |  |

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