The following table includes the components of AOCI:
Components of Accumulated Other Comprehensive Loss | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dollars in millions | September 30, 2026 | | December 31, 2025 | | Pretax | | Income Taxes | | Net of Income Taxes | | Pretax | | Income Taxes | | Net of Income Taxes | | Unrealized loss on securities available for sale | $ | (1,221) | | | $ | 295 | | | $ | (926) | | | $ | (162) | | | $ | 25 | | | $ | (137) | | | Unrealized loss on securities available for sale transferred to held to maturity | (5) | | | 1 | | | (4) | | | (5) | | | 1 | | | (4) | | | Defined benefit pension items | 276 | | | (71) | | | 205 | | | 282 | | | (72) | | | 210 | | | | | | | | | | | | | | | Unrealized (loss) gain on cash flow hedge derivatives | (96) | | | 25 | | | (71) | | | 19 | | | (5) | | | 14 | | | Total accumulated other comprehensive (loss) income | $ | (1,046) | | | $ | 250 | | | $ | (796) | | | $ | 134 | | | $ | (51) | | | $ | 83 | |
The following table summarizes the changes in the components of AOCI, net of income taxes:
Changes in Accumulated Other Comprehensive (Loss) Income by Component, Net of Income Taxes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dollars in millions | Unrealized loss on securities available for sale | | Unrealized loss on securities available for sale transferred to held to maturity | | Defined benefit pension items | | | | Unrealized gain (loss) on cash flow hedge derivatives | | Total accumulated other comprehensive income (loss) | | Balance as of December 31, 2025 | $ | (137) | | | $ | (4) | | | $ | 210 | | | | | $ | 14 | | | $ | 83 | | | AOCI activity before reclassifications | (788) | | | — | | | (4) | | | | | (82) | | | (874) | | | Amounts reclassified from AOCI to earnings | (1) | | | — | | | (1) | | | | | (3) | | | (5) | | | Other comprehensive loss for the period | (789) | | | — | | | (5) | | | | | (85) | | | (879) | | | Balance as of September 30, 2026 | $ | (926) | | | $ | (4) | | | $ | 205 | | | | | $ | (71) | | | $ | (796) | | | | | | | | | | | | | | | Balance as of December 31, 2024 | $ | (584) | | | $ | (4) | | | $ | 135 | | | | | $ | 8 | | | $ | (445) | | | AOCI activity before reclassifications | 400 | | | — | | | (4) | | | | | 8 | | | 404 | | | Amounts reclassified from AOCI to earnings | — | | | — | | | — | | | | | (3) | | | (3) | | | Other comprehensive income (loss) for the period | 400 | | | — | | | (4) | | | | | 5 | | | 401 | | | Balance as of September 30, 2025 | $ | (184) | | | $ | (4) | | | $ | 131 | | | | | $ | 13 | | | $ | (44) | |
Other Comprehensive Income (Loss) by Component
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dollars in millions | Three Months Ended September 30, | | | | 2026 | | 2025 | | | | Pretax | | Income Taxes | | Net of Income Taxes | | Pretax | | Income Taxes | | Net of Income Taxes | | Income Statement Line Items | | Unrealized loss on securities available for sale: | | | | | | | | | | | | | | | AOCI activity before reclassifications | $ | (693) | | | $ | 177 | | | $ | (516) | | | $ | 97 | | | $ | (25) | | | $ | 72 | | | | | Amounts reclassified from AOCI to earnings | (1) | | | — | | | (1) | | | — | | | — | | | — | | | Realized gain on sale of investment securities, net | | Other comprehensive (loss) income on securities available for sale | $ | (694) | | | $ | 177 | | | $ | (517) | | | $ | 97 | | | $ | (25) | | | $ | 72 | | | | | | | | | | | | | | | | | | | Unrealized loss on securities available for sale transferred to held to maturity: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Amounts reclassified from AOCI to earnings | $ | — | | | $ | — | | | $ | — | | | $ | 1 | | | $ | (1) | | | $ | — | | | Interest income on investment securities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defined benefit pension items: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Actuarial loss | $ | — | | | $ | — | | | $ | — | | | $ | (1) | | | $ | — | | | $ | (1) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unrealized loss on cash flow hedge derivatives: | | | | | | | | | | | | | | | AOCI activity before reclassifications | $ | (64) | | | $ | 16 | | | $ | (48) | | | $ | (2) | | | $ | 1 | | | $ | (1) | | | | | Amounts reclassified from AOCI to earnings | (2) | | | 1 | | | (1) | | | — | | | — | | | — | | | Interest income on loans and leases | | Other comprehensive loss on cash flow hedge derivatives | $ | (66) | | | $ | 17 | | | $ | (49) | | | $ | (2) | | | $ | 1 | | | $ | (1) | | | | | Total other comprehensive (loss) income | $ | (760) | | | $ | 194 | | | $ | (566) | | | $ | 95 | | | $ | (25) | | | $ | 70 | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dollars in millions | Nine Months Ended September 30, | | | | 2026 | | 2025 | | | | Pretax | | Income Taxes | | Net of Income Taxes | | Pretax | | Income Taxes | | Net of Income Taxes | | Income Statement Line Items | | Unrealized (loss) gain on securities available for sale: | | | | | | | | | | | | | | | AOCI activity before reclassifications | $ | (1,058) | | | $ | 270 | | | $ | (788) | | | $ | 538 | | | $ | (138) | | | $ | 400 | | | | | Amounts reclassified from AOCI to earnings | (1) | | | — | | | (1) | | | — | | | — | | | — | | | Realized gain on sale of investment securities, net | | Other comprehensive (loss) income on securities available for sale | $ | (1,059) | | | $ | 270 | | | $ | (789) | | | $ | 538 | | | $ | (138) | | | $ | 400 | | | | | | | | | | | | | | | | | | | Unrealized loss on securities available for sale transferred to held to maturity: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Amounts reclassified from AOCI to earnings | $ | — | | | $ | — | | | $ | — | | | $ | 1 | | | $ | (1) | | | $ | — | | | Interest income on investment securities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Defined benefit pension items: | | | | | | | | | | | | | | | Actuarial loss | $ | (5) | | | $ | 1 | | | $ | (4) | | | $ | (5) | | | $ | 1 | | | $ | (4) | | | | | Amounts reclassified from AOCI to earnings | (1) | | | — | | | (1) | | | — | | | — | | | — | | | Other noninterest expense | | Other comprehensive loss for defined benefit pension items | $ | (6) | | | $ | 1 | | | $ | (5) | | | $ | (5) | | | $ | 1 | | | $ | (4) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unrealized (loss) gain on cash flow hedge derivatives: | | | | | | | | | | | | | | | AOCI activity before reclassifications | $ | (111) | | | $ | 29 | | | $ | (82) | | | $ | 10 | | | $ | (2) | | | $ | 8 | | | | | Amounts reclassified from AOCI to earnings | (4) | | | 1 | | | (3) | | | (4) | | | 1 | | | (3) | | | Interest income on loans and leases | | Other comprehensive (loss) income on cash flow hedge derivatives | $ | (115) | | | $ | 30 | | | $ | (85) | | | $ | 6 | | | $ | (1) | | | $ | 5 | | | | | Total other comprehensive (loss) income | $ | (1,180) | | | $ | 301 | | | $ | (879) | | | $ | 540 | | | $ | (139) | | | $ | 401 | | | |
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