Net Assets Investment Company, Portfolio Turnover C000012498 [Member] PGIM CALIFORNIA MUNI INCOME FUND - CLASS A C000012500 [Member] PGIM CALIFORNIA MUNI INCOME FUND - CLASS C C000012501 [Member] PGIM CALIFORNIA MUNI INCOME FUND - CLASS Z C000194894 [Member] PGIM CALIFORNIA MUNI INCOME FUND - CLASS R6 Bloomberg California 1-15 Year Municipal Intermediate Index [Member] Bloomberg Municipal Bond Index [Member] Investment Type [Axis] AAA [Member] AA [Member] A [Member] BBB [Member] BB [Member] Not Rated [Member] Cash/Cash Equivalents [Member]