Liabilities in Excess of Other Assets [Member] Purchased Options Contracts [Member] S And P 500 Index Options Exercise Price 5 500 00 Expiration Date 4 30 26 [Member] S And P 500 Index Options Exercise Price 6 000 00 Expiration Date 4 17 26 [Member] S And P 500 Index Options Exercise Price 5 100 00 Expiration Date 6 18 26 [Member] S And P 500 Index Options Exercise Price 6 000 00 Expiration Date 4 30 26 [Member] S And P 500 Index Options Exercise Price 6 700 00 Expiration Date 4 17 26 [Member] S And P 500 Index Options Exercise Price 6 500 00 Expiration Date 6 18 26 [Member] S And P 500 Index Options Exercise Price 6 700 00 Expiration Date 4 30 26 [Member] State Street SPDR S And P 500 ETF Trust [Member] Vanguard S And P 500 ETF [Member] iShares Core S And P 500 ETF [Member] C000092548 [Member] Class Composite Short-Term Investments [Member] Exchange Traded Funds [Member] Investment Type [Axis] Net Assets Investment Company Portfolio Turnover No Trading Symbol Flag