Submission	Dec. 22, 2025
Submission [Line Items]
Central Index Key	0000091576
Registrant Name	KEYCORP /NEW/
Registration File Number	333-272573
Form Type	S-3
Submission Type	424B7
Fee Exhibit Type	EX-FILING FEES
Offering Table N/A
Offset Table N/A	N/A
Combined Prospectus Table N/A	N/A