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Related Parties - Summary of Financial Assets and Liabilities with Related Parties (Detail) ₺ in Thousands, € in Thousands, $ in Thousands | Dec. 31, 2022 TRY (₺) | Dec. 31, 2021 TRY (₺) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 EUR (€)
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Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | ₺ 16,181,349 | ₺ 11,347,543 |  |
Loss Allowance |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | (20,974) | (8,215) |  |
Banks - Time deposits | Gross Carrying Amount |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | 14,178,529 | 12,682,382 |  |
Banks - Time deposits | Gross Carrying Amount | Turkiye Vakiflar Bankasi TAO |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | 5,748,392 | 3,623,180 |  |
Banks - Demand deposits | Gross Carrying Amount |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | 234,117 | 253,463 |  |
Currency Protected Time Deposit [Member] | Gross Carrying Amount |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | 1,359,651 |  |  |
Currency Deposit Account | Turkiye Vakiflar Bankasi TAO |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties |  |  | $ 15,000 | € 50,000
Receivables from reverse repo | Gross Carrying Amount |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | 3,704,160 |  |  |
Bank borrowings [member] |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | (2,791,256) | (1,252,741) |  |
Debt securities issued |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | (357,497) | (167,453) |  |
Lease liabilities |  |  |  |
Financial assets and liabilities with related parties |  |  |  |
Financial assets (liabilities) with related parties | ₺ (125,381) | ₺ (159,893) |  |

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