Schedules of Investments (Unaudited) - Investments (Details) (Parentheticals) - USD ($) | Sep. 30, 2024 | Dec. 31, 2023 |
Cost of short-term investments | | $ 847,117,150 | $ 903,420,311 |
Liabilities percentage of net asset value | | 0.01% | (0.42%) |
Total percentage of net asset value | | 100% | 100% |
United States Treasury Bills 4.56% – 5.33% due 10/01/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 01, 2024 | |
United States Treasury Bills 4.56% – 5.33% due 10/01/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.56% | |
United States Treasury Bills 4.56% – 5.33% due 10/01/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.33% | |
United States Treasury Bills 5.33% – 5.39% due 1/02/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 02, 2024 |
United States Treasury Bills 5.33% – 5.39% due 1/02/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.33% |
United States Treasury Bills 5.33% – 5.39% due 1/02/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.39% |
United States Treasury Bills 5.38% due 10/03/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.38% | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 03, 2024 | |
United States Treasury Bills 5.47% – 5.49% due 1/04/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 04, 2024 |
United States Treasury Bills 5.47% – 5.49% due 1/04/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.47% |
United States Treasury Bills 5.47% – 5.49% due 1/04/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.49% |
United States Treasury Bills 5.04% – 5.09% due 10/08/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 08, 2024 | |
United States Treasury Bills 5.04% – 5.09% due 10/08/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.04% | |
United States Treasury Bills 5.04% – 5.09% due 10/08/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.09% | |
United States Treasury Bills 5.39% – 5.41% due 1/09/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 09, 2024 |
United States Treasury Bills 5.39% – 5.41% due 1/09/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.39% |
United States Treasury Bills 5.39% – 5.41% due 1/09/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.41% |
United States Treasury Bills 5.35% due 10/10/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.35% | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 10, 2024 | |
United States Treasury Bills 5.38% – 5.50% due 1/11/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 11, 2024 |
United States Treasury Bills 5.38% – 5.50% due 1/11/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.38% |
United States Treasury Bills 5.38% – 5.50% due 1/11/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.50% |
United States Treasury Bills 4.61% – 5.33% due 10/15/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 15, 2024 | |
United States Treasury Bills 4.61% – 5.33% due 10/15/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.61% | |
United States Treasury Bills 4.61% – 5.33% due 10/15/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.33% | |
United States Treasury Bills 5.39% – 5.47% due 1/16/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 16, 2024 |
United States Treasury Bills 5.39% – 5.47% due 1/16/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.39% |
United States Treasury Bills 5.39% – 5.47% due 1/16/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.47% |
United States Treasury Bills 4.70% – 5.34% due 10/17/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 17, 2024 | |
United States Treasury Bills 4.70% – 5.34% due 10/17/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.70% | |
United States Treasury Bills 4.70% – 5.34% due 10/17/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.34% | |
United States Treasury Bills 5.46% due 1/18/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.46% |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 18, 2024 |
United States Treasury Bills 4.73% – 5.24% due 10/22/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 22, 2024 | |
United States Treasury Bills 4.73% – 5.24% due 10/22/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.73% | |
United States Treasury Bills 4.73% – 5.24% due 10/22/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.24% | |
United States Treasury Bills 5.34% – 5.46% due 1/25/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Jan. 25, 2024 |
United States Treasury Bills 5.34% – 5.46% due 1/25/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.34% |
United States Treasury Bills 5.34% – 5.46% due 1/25/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.46% |
United States Treasury Bills 5.21% due 10/24/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.21% | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 24, 2024 | |
United States Treasury Bills 5.42% – 5.45% due 2/01/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 01, 2024 |
United States Treasury Bills 5.42% – 5.45% due 2/01/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.42% |
United States Treasury Bills 5.42% – 5.45% due 2/01/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.45% |
United States Treasury Bills 5.20% due 10/29/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.20% | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 29, 2024 | |
United States Treasury Bills 5.39% due 2/06/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.39% |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 06, 2024 |
United States Treasury Bills 5.35% due 2/08/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.35% |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 08, 2024 |
United States Treasury Bills 5.28% due 10/31/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.28% | |
U.S. Treasury bills and notes, due date | [1],[2] | Oct. 31, 2024 | |
United States Treasury Bills 5.40% due 2/13/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.40% |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 13, 2024 |
United States Treasury Bills 5.23% due 11/07/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.23% | |
U.S. Treasury bills and notes, due date | [1],[2] | Nov. 07, 2024 | |
United States Treasury Bills 5.41% due 2/15/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.41% |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 15, 2024 |
United States Treasury Bills 4.93% – 5.18% due 11/12/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Nov. 12, 2024 | |
United States Treasury Bills 4.93% – 5.18% due 11/12/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.93% | |
United States Treasury Bills 4.93% – 5.18% due 11/12/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.18% | |
United States Treasury Bills 5.38% – 5.39% due 2/20/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 20, 2024 |
United States Treasury Bills 5.38% – 5.39% due 2/20/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.38% |
United States Treasury Bills 5.38% – 5.39% due 2/20/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.39% |
United States Treasury Bills 5.19% – 5.22% due 11/14/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Nov. 14, 2024 | |
United States Treasury Bills 5.19% – 5.22% due 11/14/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.19% | |
United States Treasury Bills 5.19% – 5.22% due 11/14/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.22% | |
United States Treasury Bills 5.34% due 2/22/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.34% |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 22, 2024 |
United States Treasury Bills 5.14% – 5.16% due 11/21/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Nov. 21, 2024 | |
United States Treasury Bills 5.14% – 5.16% due 11/21/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.14% | |
United States Treasury Bills 5.14% – 5.16% due 11/21/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.16% | |
United States Treasury Bills 5.40% due 2/27/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.40% |
U.S. Treasury bills and notes, due date | [1],[2] | | Feb. 27, 2024 |
United States Treasury Bills 5.08% due 11/26/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.08% | |
U.S. Treasury bills and notes, due date | [1],[2] | Nov. 26, 2024 | |
United States Treasury Bills 5.35% due 3/07/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.35% |
U.S. Treasury bills and notes, due date | [1],[2] | | Mar. 07, 2024 |
United States Treasury Bills 5.07% due 12/05/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 5.07% | |
U.S. Treasury bills and notes, due date | [1],[2] | Dec. 05, 2024 | |
United States Treasury Bills 5.37% due 3/14/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | | 5.37% |
U.S. Treasury bills and notes, due date | [1],[2] | | Mar. 14, 2024 |
United States Treasury Bills 4.56% – 4.96% due 12/10/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Dec. 10, 2024 | |
United States Treasury Bills 4.56% – 4.96% due 12/10/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.56% | |
United States Treasury Bills 4.56% – 4.96% due 12/10/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.96% | |
US Treasury Bill Securities [Member] | | | |
Cost of short-term investments | [1],[2] | $ 881,006,971 | $ 971,687,389 |
Percentage of net asset value | | 99.99% | 100.42% |
United States Treasury Bills 4.98% due 12/12/24 [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.98% | |
U.S. Treasury bills and notes, due date | [1],[2] | Dec. 12, 2024 | |
United States Treasury Bills 4.59% – 4.67% due 12/17/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Dec. 17, 2024 | |
United States Treasury Bills 4.59% – 4.67% due 12/17/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.59% | |
United States Treasury Bills 4.59% – 4.67% due 12/17/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.67% | |
United States Treasury Bills 4.72% – 4.74% due 12/19/24 [Member] | | | |
U.S. Treasury bills and notes, due date | [1],[2] | Dec. 19, 2024 | |
United States Treasury Bills 4.72% – 4.74% due 12/19/24 [Member] | Minimum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.72% | |
United States Treasury Bills 4.72% – 4.74% due 12/19/24 [Member] | Maximum [Member] | | | |
U.S. Treasury bills and notes, effective rate | [1],[2] | 4.74% | |
| |
[1]A portion of the above U.S. Treasury bills are posted as margin for the Trust’s Index Futures positions as described in Note 2D.[2]Rates shown are discount rates paid at the time of purchase. | |