CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Investment securities:
Held-to-maturity, Estimated fair value	$ 8,696	$ 8,940
Shareholders’ equity:
Preferred stock, shares authorized (in shares)	4,400	4,400
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	350,000	350,000
Common stock, shares issued (in shares)	147,077	147,653
Common stock, outstanding shares (in shares)	147,077	147,653

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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+ Details

ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/ 10-Q