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Submission
Nov. 04, 2025
Submission [Line Items]  
Central Index Key 0001111711
Registrant Name NISOURCE INC.
Registration File Number 333-291167
Form Type S-3
Submission Type 424B2
Fee Exhibit Type EX-FILING FEES
Offering Table N/A
Offset Table N/A N/A
Combined Prospectus Table N/A N/A