XML 37 R26.htm IDEA: XBRL DOCUMENT
v3.25.3

Debt Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Amortized Cost, Unrealized Gains And Losses, And Fair Value Of Investment Securities | The following tables present the amortized cost, gross unrealized gains and losses, and estimated fair values of debt securities as of the dates presented:
| September 30, 2025
(in millions) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Available for sale: |  |  |  |  |  |  |
U.S. Treasury and agencies | $ | 1,332 |  |  | $ | 6 |  |  | $ | (43) |  |  | $ | 1,295 |
Obligations of states and political subdivisions | 1,621 |  |  | 34 |  |  | (18) |  |  | 1,637 |
Mortgage-backed securities and collateralized mortgage obligations | 8,381 |  |  | 49 |  |  | (349) |  |  | 8,081 |
Total available for sale securities | $ | 11,334 |  |  | $ | 89 |  |  | $ | (410) |  |  | $ | 11,013 |
Held to maturity: |  |  |  |  |  |  |
Mortgage-backed securities and collateralized mortgage obligations | $ | 18 |  |  | $ | — |  |  | $ | — |  |  | $ | 18 |
Total held to maturity securities | $ | 18 |  |  | $ | — |  |  | $ | — |  |  | $ | 18 |
| December 31, 2024
(in millions) | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Available for sale: |  |  |  |  |  |  |
U.S. Treasury and agencies | $ | 1,496 |  |  | $ | 1 |  |  | $ | (74) |  |  | $ | 1,423 |
Obligations of states and political subdivisions | 1,055 |  |  | 3 |  |  | (32) |  |  | 1,026 |
Mortgage-backed securities and collateralized mortgage obligations | 6,307 |  |  | 4 |  |  | (485) |  |  | 5,826 |
Total available for sale securities | $ | 8,858 |  |  | $ | 8 |  |  | $ | (591) |  |  | $ | 8,275 |
Held to maturity: |  |  |  |  |  |  |
Mortgage-backed securities and collateralized mortgage obligations | $ | 2 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 3 |
Total held to maturity securities | $ | 2 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 3 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value | The following tables present debt securities that were in an unrealized loss position as of the dates presented, based on the length of time individual securities have been in an unrealized loss position:
| September 30, 2025
| Less than 12 Months |  | 12 Months or Longer |  | Total
(in millions) | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Available for sale: |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and agencies | $ | 50 |  |  | $ | — |  |  | $ | 774 |  |  | $ | (43) |  |  | $ | 824 |  |  | $ | (43) |
Obligations of states and political subdivisions | 110 |  |  | (1) |  |  | 222 |  |  | (17) |  |  | 332 |  |  | (18) |
Mortgage-backed securities and collateralized mortgage obligations | 2,572 |  |  | (28) |  |  | 1,784 |  |  | (321) |  |  | 4,356 |  |  | (349) |
Total temporarily impaired securities | $ | 2,732 |  |  | $ | (29) |  |  | $ | 2,780 |  |  | $ | (381) |  |  | $ | 5,512 |  |  | $ | (410) |
| December 31, 2024
| Less than 12 Months |  | 12 Months or Longer |  | Total
(in millions) | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
Available for sale: |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury and agencies | $ | 185 |  |  | $ | (3) |  |  | $ | 795 |  |  | $ | (71) |  |  | $ | 980 |  |  | $ | (74) |
Obligations of states and political subdivisions | 539 |  |  | (8) |  |  | 225 |  |  | (24) |  |  | 764 |  |  | (32) |
Mortgage-backed securities and collateralized mortgage obligations | 3,399 |  |  | (79) |  |  | 1,830 |  |  | (406) |  |  | 5,229 |  |  | (485) |
Total temporarily impaired securities | $ | 4,123 |  |  | $ | (90) |  |  | $ | 2,850 |  |  | $ | (501) |  |  | $ | 6,973 |  |  | $ | (591) |
Schedule Of Maturities Of Investment Securities | The following table presents the contractual maturities of debt securities as of September 30, 2025. Expected maturities will differ from contractual maturities because some securities may be called or prepaid with or without call or prepayment penalties.
| Available For Sale |  | Held To Maturity
(in millions) | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Due within one year | $ | 344 |  |  | $ | 344 |  |  | $ | — |  |  | $ | — |
Due after one year through five years | 2,755 |  |  | 2,744 |  |  | — |  |  | — |
Due after five years through ten years | 1,763 |  |  | 1,736 |  |  | — |  |  | — |
Due after ten years | 6,472 |  |  | 6,189 |  |  | 18 |  |  | 18 |
Total debt securities | $ | 11,334 |  |  | $ | 11,013 |  |  | $ | 18 |  |  | $ | 18 |

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration