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v3.25.4

BUSINESS SEGMENTS - Schedule of Financial Information for Segments of FNB (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | $ 2,326.0 |  | $ 2,252.0 |  | $ 1,973.0
Interest expense | 930.0 |  | 972.0 |  | 656.0
Net interest income (loss) | 1,396.0 |  | 1,280.0 |  | 1,317.0
Provision for credit losses | 86.0 |  | 79.8 |  | 72.0
Non-interest income: |  |  |  |  |
Service charges | 92.0 |  | 91.0 |  | 82.0
Interchange and card transaction fees | 52.0 |  | 52.0 |  | 52.0
Trust services | 48.0 |  | 46.0 |  | 43.0
Insurance commissions and fees | 20.0 |  | 22.0 |  | 23.0
Securities commissions and fees | 36.0 |  | 31.0 |  | 28.0
Capital markets income | 27.0 |  | 24.0 |  | 27.0
Mortgage banking operations | 28.0 |  | 27.0 |  | 21.0
Other | 66.0 |  | 23.0 |  | (22.0)
Total Non-Interest Income | 369.0 |  | 316.0 |  | 254.0
Non-Interest Expense |  |  |  |  |
Salaries and employee benefits | 530.0 |  | 504.0 |  | 462.0
Other | 480.0 |  | 457.0 |  | 453.0
Total Non-Interest Expense | 1,010.0 |  | 961.0 |  | 915.0
Income tax expense (benefit) | 104.0 |  | 90.0 |  | 99.0
Net Income | 565.0 |  | 465.0 |  | 485.0
Total assets | 50,229.0 |  | 48,625.0 |  | 46,158.0
Total loans and leases | 34,777.0 | [1] | 33,939.0 | [1] | 32,323.0
Total deposits | 38,759.0 |  | 37,107.0 |  | 34,711.0
Market value of assets under management | 14,885.0 |  | 14,217.0 |  | 12,853.0
Operating Segments | Community Banking |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 2,320.0 |  | 2,246.0 |  | 1,967.0
Interest expense | 881.0 |  | 941.0 |  | 624.0
Net interest income (loss) | 1,439.0 |  | 1,305.0 |  | 1,343.0
Provision for credit losses | 86.0 |  | 79.0 |  | 72.0
Non-interest income: |  |  |  |  |
Service charges | 92.0 |  | 91.0 |  | 82.0
Interchange and card transaction fees | 52.0 |  | 52.0 |  | 52.0
Trust services | 0.0 |  | 0.0 |  | 0.0
Insurance commissions and fees | 0.0 |  | 1.0 |  | 1.0
Securities commissions and fees | 0.0 |  | 0.0 |  | 0.0
Capital markets income | 23.0 |  | 21.0 |  | 25.0
Mortgage banking operations | 28.0 |  | 27.0 |  | 21.0
Other | 75.0 |  | 31.0 |  | (15.0)
Total Non-Interest Income | 270.0 |  | 223.0 |  | 166.0
Non-Interest Expense |  |  |  |  |
Salaries and employee benefits | 470.0 |  | 445.0 |  | 406.0
Other | 416.0 |  | 426.0 |  | 430.0
Total Non-Interest Expense | 886.0 |  | 871.0 |  | 836.0
Income tax expense (benefit) | 119.0 |  | 97.0 |  | 106.0
Net Income | 618.0 |  | 481.0 |  | 495.0
Total assets | 49,909.0 |  | 48,295.0 |  | 45,924.0
Total loans and leases | 34,739.0 |  | 33,895.0 |  | 32,281.0
Total deposits | 39,098.0 |  | 37,973.0 |  | 35,127.0
Market value of assets under management | 0.0 |  | 0.0 |  | 0.0
Operating Segments | Wealth Manage- ment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 0.0 |  | 0.0 |  | 0.0
Interest expense | 0.0 |  | 0.0 |  | 0.0
Net interest income (loss) | 0.0 |  | 0.0 |  | 0.0
Provision for credit losses | 0.0 |  | 0.0 |  | 0.0
Non-interest income: |  |  |  |  |
Service charges | 0.0 |  | 0.0 |  | 0.0
Interchange and card transaction fees | 0.0 |  | 0.0 |  | 0.0
Trust services | 48.0 |  | 46.0 |  | 43.0
Insurance commissions and fees | 0.0 |  | 0.0 |  | 0.0
Securities commissions and fees | 36.0 |  | 31.0 |  | 28.0
Capital markets income | 0.0 |  | 0.0 |  | 0.0
Mortgage banking operations | 0.0 |  | 0.0 |  | 0.0
Other | 0.0 |  | 0.0 |  | 0.0
Total Non-Interest Income | 84.0 |  | 77.0 |  | 71.0
Non-Interest Expense |  |  |  |  |
Salaries and employee benefits | 43.0 |  | 45.0 |  | 41.0
Other | 12.0 |  | 9.0 |  | 9.0
Total Non-Interest Expense | 55.0 |  | 54.0 |  | 50.0
Income tax expense (benefit) | 6.0 |  | 5.0 |  | 5.0
Net Income | 23.0 |  | 18.0 |  | 16.0
Total assets | 48.0 |  | 44.0 |  | 40.0
Total loans and leases | 0.0 |  | 0.0 |  | 0.0
Total deposits | 0.0 |  | 0.0 |  | 0.0
Market value of assets under management | 14,885.0 |  | 14,217.0 |  | 12,853.0
Operating Segments | Insurance |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 0.0 |  | 0.0 |  | 0.0
Interest expense | 0.0 |  | 0.0 |  | 0.0
Net interest income (loss) | 0.0 |  | 0.0 |  | 0.0
Provision for credit losses | 0.0 |  | 0.0 |  | 0.0
Non-interest income: |  |  |  |  |
Service charges | 0.0 |  | 0.0 |  | 0.0
Interchange and card transaction fees | 0.0 |  | 0.0 |  | 0.0
Trust services | 0.0 |  | 0.0 |  | 0.0
Insurance commissions and fees | 20.0 |  | 23.0 |  | 22.0
Securities commissions and fees | 0.0 |  | 0.0 |  | 0.0
Capital markets income | 0.0 |  | 0.0 |  | 0.0
Mortgage banking operations | 0.0 |  | 0.0 |  | 0.0
Other | 0.0 |  | 0.0 |  | 0.0
Total Non-Interest Income | 20.0 |  | 23.0 |  | 22.0
Non-Interest Expense |  |  |  |  |
Salaries and employee benefits | 15.0 |  | 14.0 |  | 14.0
Other | 5.0 |  | 5.0 |  | 4.0
Total Non-Interest Expense | 20.0 |  | 19.0 |  | 18.0
Income tax expense (benefit) | 0.0 |  | 1.0 |  | 1.0
Net Income | 0.0 |  | 3.0 |  | 3.0
Total assets | 30.0 |  | 31.0 |  | 29.0
Total loans and leases | 0.0 |  | 0.0 |  | 0.0
Total deposits | 0.0 |  | 0.0 |  | 0.0
Market value of assets under management | 0.0 |  | 0.0 |  | 0.0
Parent and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest income | 6.0 |  | 6.0 |  | 6.0
Interest expense | 49.0 |  | 31.0 |  | 32.0
Net interest income (loss) | (43.0) |  | (25.0) |  | (26.0)
Provision for credit losses | 0.0 |  | 1.0 |  | 0.0
Non-interest income: |  |  |  |  |
Service charges | 0.0 |  | 0.0 |  | 0.0
Interchange and card transaction fees | 0.0 |  | 0.0 |  | 0.0
Trust services | 0.0 |  | 0.0 |  | 0.0
Insurance commissions and fees | 0.0 |  | (2.0) |  | 0.0
Securities commissions and fees | 0.0 |  | 0.0 |  | 0.0
Capital markets income | 4.0 |  | 3.0 |  | 2.0
Mortgage banking operations | 0.0 |  | 0.0 |  | 0.0
Other | (9.0) |  | (8.0) |  | (7.0)
Total Non-Interest Income | (5.0) |  | (7.0) |  | (5.0)
Non-Interest Expense |  |  |  |  |
Salaries and employee benefits | 2.0 |  | 0.0 |  | 1.0
Other | 47.0 |  | 17.0 |  | 10.0
Total Non-Interest Expense | 49.0 |  | 17.0 |  | 11.0
Income tax expense (benefit) | (21.0) |  | (13.0) |  | (13.0)
Net Income | (76.0) |  | (37.0) |  | (29.0)
Total assets | 242.0 |  | 255.0 |  | 165.0
Total loans and leases | 38.0 |  | 44.0 |  | 42.0
Total deposits | (339.0) |  | (866.0) |  | (416.0)
Market value of assets under management | $ 0.0 |  | $ 0.0 |  | $ 0.0
[1] | Amount represents loans for which we have elected the fair value option. See Note 25.

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