XML 7 R1.htm IDEA: XBRL DOCUMENT v3.23.2
N-2
6 Months Ended
Jun. 30, 2023
shares
Cover [Abstract]  
Entity Central Index Key 0000810766
Amendment Flag false
Document Type N-CSRS
Entity Registrant Name CREDIT SUISSE ASSET MANAGEMENT INCOME FUND INC
General Description of Registrant [Abstract]  
Investment Objectives and Practices [Text Block] The investment objective of the Fund is to provide current income consistent with the preservation of capital.
Capital Stock, Long-Term Debt, and Other Securities [Abstract]  
Other Security, Description [Text Block] the Fund had outstanding loans of securities to certain approved brokers for which the Fund received collateral:
Common Shares [Member]  
Capital Stock, Long-Term Debt, and Other Securities [Abstract]  
Outstanding Security, Title [Text Block] shares outstanding
Outstanding Security, Not Held [Shares] 52,644,857
Beneficial Interest [Member]  
Capital Stock, Long-Term Debt, and Other Securities [Abstract]  
Outstanding Security, Title [Text Block] The Fund has one class of shares of common stock, par value $0.001 per share; one hundred million shares are authorized.