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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Goodwill and Other Intangible Assets |
Goodwill (Table) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Retirement |  | Principal |  | ​ | ​ |  | ​ |  | ​ | ​
​ | ​ | and Income | ​ | Asset | ​ | Benefits and | ​ | ​ | ​ | ​ | ​
​ | ​ | Solutions | ​ | Management | ​ | Protection | ​ | Corporate | ​ | Consolidated
​ | ​ | (in millions)
Balance as of January 1, 2022 | ​ | $ | 675.9 | ​ | $ | 895.1 | ​ | $ | 56.6 | ​ | $ | — | ​ | $ | 1,627.6
Impairment (1) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (27.1) | ​ | ​ | — | ​ | ​ | (27.1)
Foreign currency | ​ | ​ | — | ​ | ​ | (2.3) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (2.3)
Balance as of December 31, 2022 | ​ | ​ | 675.9 | ​ | ​ | 892.8 | ​ | ​ | 29.5 | ​ | ​ | — | ​ | ​ | 1,598.2
Foreign currency | ​ | ​ | — | ​ | ​ | 10.3 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 10.3
Balance as of December 31, 2023 | ​ | $ | 675.9 | ​ | $ | 903.1 | ​ | $ | 29.5 | ​ | $ | — | ​ | $ | 1,608.5
(1) | Resulted from a change in the allocation of equity between our reportable operating segments following the Talcott Reinsurance Transaction.
Finite Lived Intangible Assets (Table) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2023 |  | 2022
​ | ​ | (in millions)
Gross carrying value | ​ | $ | 1,215.1 | ​ | $ | 1,235.1
Accumulated amortization | ​ |  | 512.7 | ​ | ​ | 472.6
Net carrying value | ​ | $ | 702.4 | ​ | $ | 762.5
Other Finite Lived Intangible Assets Estimated Amortization Expense (Table) | ​
​ | ​ | ​ | ​ | ​
Year ending December 31: |  | ​ | ​ |
2024 | ​ | $ | 67.3 | ​
2025 | ​ | ​ | 61.9 | ​
2026 | ​ | ​ | 57.8 | ​
2027 | ​ | ​ | 57.8 | ​
2028 | ​ | ​ | 40.6 | ​

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