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INVESTMENT SECURITIES (Tables)
 6 Months Ended
Jun. 30, 2025
Investments [Abstract]  
Schedule of Amortized Cost and Fair Value of Investment Securities
The following tables include the amortized cost and fair value of investment securities:

Amortized Cost and Fair Value - Investment Securities
dollars in millions June 30, 2025
Amortized CostGross Unrealized GainsGross Unrealized LossesFair Value
Investment securities available for sale
U.S. Treasury$12,125 $50 $(5)$12,170 
Government agency62 — (2)60 
Residential mortgage-backed securities17,118 196 (390)16,924 
Commercial mortgage-backed securities3,695 26 (185)3,536 
Corporate bonds364 — (11)353 
Municipal bonds17 — — 17 
Total investment securities available for sale$33,381 $272 $(593)$33,060 
Investment in marketable equity securities$78 $24 $(5)$97 
Investment securities held to maturity
U.S. Treasury$486 $— $(21)$465 
Government agency1,493 — (78)1,415 
Residential mortgage-backed securities4,548 19 (565)4,002 
Commercial mortgage-backed securities3,359 — (633)2,726 
Supranational securities302 — (23)279 
Other1 — — 1 
Total investment securities held to maturity$10,189 $19 $(1,320)$8,888 
Total investment securities$43,648 $315 $(1,918)$42,045 
December 31, 2024
Amortized CostGross Unrealized GainsGross Unrealized LossesFair Value
Investment securities available for sale
U.S. Treasury$13,897 $33 $(27)$13,903 
Government agency79 — (2)77 
Residential mortgage-backed securities16,161 41 (582)15,620 
Commercial mortgage-backed securities3,869 7 (210)3,666 
Corporate bonds489 — (22)467 
Municipal bonds17 — — 17 
Total investment securities available for sale$34,512 $81 $(843)$33,750 
Investment in marketable equity securities$79 $27 $(5)$101 
Investment securities held to maturity
U.S. Treasury$483 $— $(31)$452 
Government agency1,489 — (115)1,374 
Residential mortgage-backed securities4,558 2 (682)3,878 
Commercial mortgage-backed securities3,407 — (678)2,729 
Supranational securities300 — (33)267 
Other2 — — 2 
Total investment securities held to maturity$10,239 $2 $(1,539)$8,702 
Total investment securities$44,830 $110 $(2,387)$42,553 
Schedule of Investment Securities Maturity Information
The following table provides the amortized cost and fair value by contractual maturity. Expected maturities will differ from contractual maturities on certain securities because borrowers and issuers may have the right to call or prepay obligations with or without prepayment penalties. Residential and commercial mortgage-backed and government agency securities are stated separately as they are not due at a single maturity date.

Maturities - Debt Securities
dollars in millionsJune 30, 2025December 31, 2024
Amortized CostFair ValueAmortized CostFair Value
Investment securities available for sale
Non-amortizing securities maturing in:
One year or less$6,293 $6,307 $5,090 $5,086 
After one through five years6,043 6,071 8,945 8,949 
After five through 10 years153 145 346 330 
After 10 years17 17 22 22 
Government agency62 60 79 77 
Residential mortgage-backed securities17,118 16,924 16,161 15,620 
Commercial mortgage-backed securities3,695 3,536 3,869 3,666 
Total investment securities available for sale$33,381 $33,060 $34,512 $33,750 
Investment securities held to maturity
Non-amortizing securities maturing in:
One year or less$467 $463 $429 $419 
After one through five years1,429 1,352 1,299 1,208 
After five through 10 years386 345 546 468 
Residential mortgage-backed securities4,548 4,002 4,558 3,878 
Commercial mortgage-backed securities3,359 2,726 3,407 2,729 
Total investment securities held to maturity$10,189 $8,888 $10,239 $8,702 
Schedule of Interest and Dividends on Investment Securities
The following table presents interest and dividend income on investment securities:

Interest and Dividends on Investment Securities
dollars in millionsThree Months Ended June 30,Six Months Ended June 30,
2025202420252024
Interest income - taxable investment securities(1)
$418 $330 $831 $611 
Dividend income - marketable equity securities1 — 2 1 
Interest on investment securities$419 $330 $833 $612 
(1) Amount includes interest income on securities purchased under agreements to resell.
Schedule of Realized Losses
The following table presents the gross realized gain and loss on sales of investment securities available for sale, and the net realized gain on sale of marketable equity securities:

Realized Gain (Loss) on Sale of Investment Securities, Net
dollars in millionsThree Months Ended June 30,Six Months Ended June 30,
2025202420252024
Gross realized gain on sale of investment securities available for sale$— $— $1 $— 
Gross realized loss on sale of investment securities available for sale— — (2)— 
Net realized loss on sale of investment securities available for sale— — (1)— 
Net realized gain on sale of marketable equity securities
— — 1 — 
Realized gain (loss) on sale of investment securities, net$— $— $— $— 
Schedule of Unrealized Losses on Available-for-sale Securities
The following table provides information regarding investment securities available for sale with unrealized losses:

Gross Unrealized Losses on Debt Securities Available For Sale
dollars in millionsJune 30, 2025
Less than 12 months12 months or moreTotal
Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
Investment securities available for sale
U.S. Treasury$1,201 $(2)$395 $(3)$1,596 $(5)
Government agency— — 60 (2)60 (2)
Residential mortgage-backed securities616 (4)3,441 (386)4,057 (390)
Commercial mortgage-backed securities338 (1)1,259 (184)1,597 (185)
Corporate bonds51 — 284 (11)335 (11)
Total$2,206 $(7)$5,439 $(586)$7,645 $(593)
December 31, 2024
Less than 12 months12 months or moreTotal
Fair ValueUnrealized LossesFair ValueUnrealized LossesFair ValueUnrealized Losses
Investment securities available for sale
U.S. Treasury$3,791 $(12)$981 $(15)$4,772 $(27)
Government agency— — 77 (2)77 (2)
Residential mortgage-backed securities7,470 (61)3,575 (521)11,045 (582)
Commercial mortgage-backed securities1,183 (8)1,342 (202)2,525 (210)
Corporate bonds16 — 438 (22)454 (22)
Total$12,460 $(81)$6,413 $(762)$18,873 $(843)