v3.25.3
Cover
Dec. 15, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 15, 2025
Entity File Number 811-22437
Entity Registrant Name Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust
Entity Central Index Key 0001495825
Entity Tax Identification Number 27-3396957
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 227 West Monroe Street
Entity Address, City or Town Chicago
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60606
City Area Code 312
Local Phone Number 827-0100
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares of Beneficial Interest, $0.01 par value
Trading Symbol GBAB
Security Exchange Name NYSE
Entity Emerging Growth Company false