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v3.24.1.u1

Japanese Yen Deposits - Additional Information (Detail) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2024 JPY (¥) | Mar. 31, 2023 USD ($) | Dec. 31, 2023 JPY (¥) | Mar. 31, 2024 JPY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 JPY (¥)
Cash and Cash Equivalents [Abstract] |  |  |  |  |  |  |
Proceeds from purchases of redeemable capital Shares | $ 65,278,857 | ¥ 10,190,196,394 | $ 74,706,667 | ¥ 40,464,676,109 |  |  |
Principal redemptions | 15,712,161 | 2,317,095,048 | $ 38,567,749 | 20,936,241,082 |  |  |
Withdrawals (to pay expenses) |  | ¥ 65,562,500 |  | ¥ 194,462,561 |  |  |
Deposits, interest bearing | $ 342,767,358 |  |  |  | ¥ 51,876,125,845 | $ 312,587,509 | ¥ 44,068,586,999
Annual nominal rate | (0.20%) |  |  |  | (0.20%) |  |

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