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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amount of Goodwill | Changes in the carrying amount of goodwill by reporting segment are presented in the following table:
in millions | Consumer Bank | Commercial Bank | Total
BALANCE AT DECEMBER 31, 2017 | $ | 2,124 |  | $ | 414 |  | $ | 2,538 |
KIBS divestiture | (22 | ) | — |  | (22 | )
BALANCE AT DECEMBER 31, 2018 | 2,102 |  | 414 |  | 2,516 |
Reallocation of goodwill | (498 | ) | 498 |  | — |
Laurel Road acquisition | 148 |  | — |  | 148 |
BALANCE AT DECEMBER 31, 2019 | $ | 1,752 |  | $ | 912 |  | $ | 2,664 |
Gross Carrying Amount and Accumulated Amortization of Intangible Assets | The following table shows the gross carrying amount and the accumulated amortization of intangible assets subject to amortization:
| 2019 |  | 2018
December 31, in millions | Gross Carrying Amount | Accumulated Amortization |  | Gross Carrying Amount | Accumulated Amortization
Intangible assets subject to amortization: |  |  |  |  |
Core deposit intangibles | $ | 355 |  | $ | 193 |  |  | $ | 396 |  | $ | 184 |
PCCR intangibles | 152 |  | 145 |  |  | 152 |  | 138 |
Other intangible assets | 115 |  | 31 |  |  | 115 |  | 25 |
Total | $ | 622 |  | $ | 369 |  |  | $ | 663 |  | $ | 347 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The following table presents estimated intangible asset amortization expense for the next five years.
| Estimated
in millions | 2020 | 2021 | 2022 | 2023 | 2024
Intangible asset amortization expense | $ | 62 |  | $ | 52 |  | $ | 43 |  | $ | 34 |  | $ | 25 |

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