v3.26.1
Cover
Apr. 28, 2026
Cover [Abstract]  
Written Communications false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Soliciting Material 8-K
Soliciting Material FEDERAL HOME LOAN BANK OF INDIANAPOLIS
Soliciting Material X1
Entity File Number 000-51404
Entity Tax Identification Number 35-6001443
Entity Address, Address Line One 8250 Woodfield Crossing Blvd.
Entity Address, City or Town Indianapolis
Entity Address, Postal Zip Code 46240
Entity Address, State or Province IN
City Area Code (317)
Soliciting Material false
Soliciting Material false
Amendment Flag false
Entity Central Index Key 0001331754
Document Period End Date Apr. 28, 2026
Local Phone Number 465-0200