Shareholder Report, Line Graph (Details) - USD ($)	12 Months Ended
	Aug. 31, 2024	Jul. 31, 2024	Jun. 30, 2024	May 31, 2024	Apr. 30, 2024	Mar. 31, 2024	Feb. 29, 2024	Jan. 31, 2024	Dec. 31, 2023	Nov. 30, 2023	Oct. 31, 2023	Sep. 30, 2023	Aug. 31, 2023	Jul. 31, 2023	Jun. 30, 2023	May 31, 2023	Apr. 30, 2023	Mar. 31, 2023	Feb. 28, 2023	Jan. 31, 2023	Dec. 31, 2022	Nov. 30, 2022	Oct. 31, 2022	Sep. 30, 2022	Aug. 31, 2022	Jul. 31, 2022	Jun. 30, 2022	May 31, 2022	Apr. 30, 2022	Mar. 31, 2022	Feb. 28, 2022	Jan. 31, 2022	Dec. 31, 2021	Nov. 30, 2021	Oct. 31, 2021	Sep. 30, 2021	Aug. 31, 2021	Jul. 31, 2021	Jun. 30, 2021	May 31, 2021	Apr. 30, 2021	Mar. 31, 2021	Feb. 28, 2021	Jan. 31, 2021	Dec. 31, 2020	Nov. 30, 2020	Oct. 31, 2020	Sep. 30, 2020	Aug. 31, 2020	Jul. 31, 2020	Jun. 30, 2020	May 31, 2020	Apr. 30, 2020	Mar. 31, 2020	Feb. 29, 2020	Jan. 31, 2020	Dec. 31, 2019	Nov. 30, 2019	Oct. 31, 2019	Sep. 30, 2019	Aug. 31, 2019	Jul. 31, 2019	Jun. 30, 2019	May 31, 2019	Apr. 30, 2019	Mar. 31, 2019	Feb. 28, 2019	Jan. 31, 2019	Dec. 31, 2018	Nov. 30, 2018	Oct. 31, 2018	Sep. 30, 2018	Aug. 31, 2018	Jul. 31, 2018	Jun. 30, 2018	May 31, 2018	Apr. 30, 2018	Mar. 31, 2018	Feb. 28, 2018	Jan. 31, 2018	Dec. 31, 2017	Nov. 30, 2017	Oct. 31, 2017	Sep. 30, 2017	Aug. 31, 2017	Jul. 31, 2017	Jun. 30, 2017	May 31, 2017	Apr. 30, 2017	Mar. 31, 2017	Feb. 28, 2017	Jan. 31, 2017	Dec. 31, 2016	Nov. 30, 2016	Oct. 31, 2016	Sep. 30, 2016	Aug. 31, 2016	Jul. 31, 2016	Jun. 30, 2016	May 31, 2016	Apr. 30, 2016	Mar. 31, 2016	Feb. 29, 2016	Jan. 31, 2016	Dec. 31, 2015	Nov. 30, 2015	Oct. 31, 2015	Sep. 30, 2015	Aug. 31, 2015	Jul. 31, 2015	Jun. 30, 2015	May 31, 2015	Apr. 30, 2015	Mar. 31, 2015	Feb. 28, 2015	Jan. 31, 2015	Dec. 31, 2014	Nov. 30, 2014	Oct. 31, 2014	Sep. 30, 2014	Aug. 31, 2014
C000016760
Account Value [Line Items]
Line Graph and Table Measure Name	Class A
Account Value	$ 17,717	$ 17,310	$ 17,112	$ 16,655	$ 15,981	$ 16,606	$ 16,090	$ 15,465	$ 15,157	$ 14,633	$ 13,585	$ 13,702	$ 14,260	$ 14,446	$ 14,055	$ 13,340	$ 13,438	$ 13,173	$ 12,830	$ 13,163	$ 12,507	$ 13,091	$ 12,455	$ 11,442	$ 12,474	$ 12,947	$ 12,059	$ 13,024	$ 12,937	$ 14,133	$ 13,738	$ 14,181	$ 14,963	$ 14,274	$ 14,425	$ 13,630	$ 14,324	$ 13,963	$ 13,905	$ 13,738	$ 13,529	$ 13,037	$ 12,726	$ 12,451	$ 12,430	$ 11,942	$ 10,870	$ 11,047	$ 11,381	$ 10,898	$ 10,415	$ 10,202	$ 9,854	$ 9,086	$ 10,415	$ 11,125	$ 11,232	$ 10,918	$ 10,694	$ 10,477	$ 10,306	$ 10,437	$ 10,457	$ 9,983	$ 10,358	$ 10,114	$ 9,983	$ 9,798	$ 9,218	$ 9,635	$ 9,577	$ 10,249	$ 10,249	$ 10,294	$ 10,165	$ 10,255	$ 10,320	$ 10,274	$ 10,352	$ 10,784	$ 10,423	$ 10,282	$ 10,218	$ 10,136	$ 9,990	$ 9,964	$ 9,736	$ 9,729	$ 9,533	$ 9,367	$ 9,240	$ 9,107	$ 8,942	$ 8,811	$ 8,910	$ 9,057	$ 8,996	$ 8,971	$ 8,738	$ 8,793	$ 8,787	$ 8,701	$ 8,418	$ 8,731	$ 9,082	$ 9,319	$ 9,288	$ 8,902	$ 9,083	$ 9,500	$ 9,427	$ 9,590	$ 9,554	$ 9,500	$ 9,548	$ 9,276	$ 9,313	$ 9,402	$ 9,331	$ 9,167	$ 9,425
C000016763
Account Value [Line Items]
Line Graph and Table Measure Name	Class C
C000016764
Account Value [Line Items]
Line Graph and Table Measure Name	Class S
C000239806
Account Value [Line Items]
Line Graph and Table Measure Name	Institutional Class
DWS Index: S&P 500® Index
Account Value [Line Items]
Line Graph and Table Measure Name	S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®</sup> Index
Account Value	$ 33,882	33,080	32,682	31,550	30,059	31,339	30,363	28,824	28,347	27,115	24,846	25,380	26,651	27,082	26,239	24,612	24,506	24,129	23,275	23,857	22,447	23,819	22,558	20,869	22,986	23,963	21,940	23,914	23,870	26,150	25,214	25,992	27,411	26,235	26,418	24,688	25,893	25,129	24,546	23,986	23,819	22,612	21,664	21,082	21,297	20,509	18,485	18,990	19,740	18,417	17,434	17,094	16,317	14,463	16,501	17,981	17,988	17,461	16,849	16,492	16,189	16,450	16,217	15,149	16,177	15,547	15,251	14,777	13,680	15,038	14,738	15,819	15,730	15,233	14,687	14,597	14,254	14,199	14,569	15,127	14,308	14,150	13,729	13,416	13,145	13,105	12,841	12,761	12,584	12,456	12,442	11,967	11,744	11,516	11,105	11,311	11,309	11,293	10,892	10,864	10,672	10,631	9,955	9,969	10,489	10,657	10,626	9,799	10,048	10,693	10,474	10,680	10,545	10,444	10,612	10,036	10,346	10,372	10,101	9,860	10,000
DWS Index: S&P 500® Index
Account Value [Line Items]
Line Graph and Table Measure Name	S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®</sup> Index
Account Value	$ 33,882	33,080	32,682	31,550	30,059	31,339	30,363	28,824	28,347	27,115	24,846	25,380	26,651	27,082	26,239	24,612	24,506	24,129	23,275	23,857	22,447	23,819	22,558	20,869	22,986	23,963	21,940	23,914	23,870	26,150	25,214	25,992	27,411	26,235	26,418	24,688	25,893	25,129	24,546	23,986	23,819	22,612	21,664	21,082	21,297	20,509	18,485	18,990	19,740	18,417	17,434	17,094	16,317	14,463	16,501	17,981	17,988	17,461	16,849	16,492	16,189	16,450	16,217	15,149	16,177	15,547	15,251	14,777	13,680	15,038	14,738	15,819	15,730	15,233	14,687	14,597	14,254	14,199	14,569	15,127	14,308	14,150	13,729	13,416	13,145	13,105	12,841	12,761	12,584	12,456	12,442	11,967	11,744	11,516	11,105	11,311	11,309	11,293	10,892	10,864	10,672	10,631	9,955	9,969	10,489	10,657	10,626	9,799	10,048	10,693	10,474	10,680	10,545	10,444	10,612	10,036	10,346	10,372	10,101	9,860	10,000
DWS Index: S&P 500® Index
Account Value [Line Items]
Line Graph and Table Measure Name	S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®</sup> Index
Account Value	$ 33,882	33,080	32,682	31,550	30,059	31,339	30,363	28,824	28,347	27,115	24,846	25,380	26,651	27,082	26,239	24,612	24,506	24,129	23,275	23,857	22,447	$ 23,819	$ 22,558	$ 20,869	$ 22,986	$ 23,963	$ 21,940	$ 23,914	$ 23,870	$ 26,150	$ 25,214	$ 25,992	$ 27,411	$ 26,235	$ 26,418	$ 24,688	$ 25,893	$ 25,129	$ 24,546	$ 23,986	$ 23,819	$ 22,612	$ 21,664	$ 21,082	$ 21,297	$ 20,509	$ 18,485	$ 18,990	$ 19,740	$ 18,417	$ 17,434	$ 17,094	$ 16,317	$ 14,463	$ 16,501	$ 17,981	$ 17,988	$ 17,461	$ 16,849	$ 16,492	$ 16,189	$ 16,450	$ 16,217	$ 15,149	$ 16,177	$ 15,547	$ 15,251	$ 14,777	$ 13,680	$ 15,038	$ 14,738	$ 15,819	$ 15,730	$ 15,233	$ 14,687	$ 14,597	$ 14,254	$ 14,199	$ 14,569	$ 15,127	$ 14,308	$ 14,150	$ 13,729	$ 13,416	$ 13,145	$ 13,105	$ 12,841	$ 12,761	$ 12,584	$ 12,456	$ 12,442	$ 11,967	$ 11,744	$ 11,516	$ 11,105	$ 11,311	$ 11,309	$ 11,293	$ 10,892	$ 10,864	$ 10,672	$ 10,631	$ 9,955	$ 9,969	$ 10,489	$ 10,657	$ 10,626	$ 9,799	$ 10,048	$ 10,693	$ 10,474	$ 10,680	$ 10,545	$ 10,444	$ 10,612	$ 10,036	$ 10,346	$ 10,372	$ 10,101	$ 9,860	$ 10,000
DWS Index: S&P 500® Index
Account Value [Line Items]
Line Graph and Table Measure Name	S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®</sup> Index
Account Value	$ 1,422,518	$ 1,388,830	$ 1,372,128	$ 1,324,599	$ 1,262,022	$ 1,315,764	$ 1,274,749	$ 1,210,133	$ 1,190,134	$ 1,138,415	$ 1,043,149	$ 1,065,554	$ 1,118,901	$ 1,137,004	$ 1,101,615	$ 1,033,337	$ 1,028,865	$ 1,013,053	$ 977,177	$ 1,001,615	$ 942,400