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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Investment in marketable equity securities, at cost | $ 83 | $ 79
Investment securities available for sale, at cost | 31,952 | 34,512
Investment securities held to maturity, at fair value | $ 8,491 | $ 8,702
Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Preferred stock, shares authorized (in shares) | 20,000,000 | 20,000,000
Class A |  |
Common stock, par value (in dollars per share) | $ 1 | $ 1
Common stock, shares authorized (in shares) | 32,000,000 | 32,000,000
Common stock, shares issued (in shares) | 11,133,974 | 12,712,436
Common stock, shares outstanding (in shares) | 11,133,974 | 12,712,436
Class B |  |
Common stock, par value (in dollars per share) | $ 1 | $ 1
Common stock, shares authorized (in shares) | 2,000,000 | 2,000,000
Common stock, shares issued (in shares) | 1,005,185 | 1,005,185
Common stock, shares outstanding (in shares) | 1,005,185 | 1,005,185

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