v3.26.1
COMMITMENTS, GUARANTEES AND CONTINGENT LIABILITIES (Narrative) (Details)
Jun. 30, 2026
case
Commitments, Guarantees, and Contingent Liabilities [Abstract]
Number of civil cases
2
X
- Definition
Guarantees, Commitments And Contingencies [Abstract]
+ References
No definition available.
+ Details
Name:
zions_CommitmentsGuaranteesAndContingentLiabilitiesAbstract
Namespace Prefix:
zions_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Number of Civil Cases
+ References
No definition available.
+ Details
Name:
zions_NumberOfCivilCases
Namespace Prefix:
zions_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
instant