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SECURITIZATION TRANSACTIONS - Collateralized Debt (Details) - USD ($) $ in Millions |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
May 31, 2025 | Jun. 30, 2025 | Sep. 30, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | $ 2,760 | $ 1,842
Mercado Crédito I Brasil Fundo de Investimento Em Direitos Creditórios Não Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 95 |
Basis spread on variable rate | 2.50% | 2.25% |  |
Mercado Crédito I Brasil Fundo de Investimento Em Direitos Creditórios Não Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 19 |
Mercado Crédito Fundo de Investimento Em Direitos Creditórios Não Padronizado |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 58 |
Basis spread on variable rate | 3.50% | 3.00% |  |
Mercado Crédito II Brasil Fundo De Investimento Em Direitos Creditórios Nao Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 198 |
Basis spread on variable rate | 2.35% | 1.75% |  |
Mercado Crédito II Brasil Fundo De Investimento Em Direitos Creditórios Nao Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 62 |
Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 199 |
Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 100 |
Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 40 |
Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 20 |
Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 296 |
Seller II Fundo De Investimento Em Direitos Creditórios Segmento Meios De Pagamento De Resp Ltda |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 189 |
Mercado Crédito XXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 1 |
Mercado Crédito XXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 2 |
Mercado Crédito XXX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 8 |
Mercado Crédito XXXI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 8 |
Mercado Crédito XXXII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 19 |
Mercado Crédito XXXIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 18 |
Mercado Crédito XXXIV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 31 |
Mercado Crédito XXXV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 59 |
Mercado Crédito XXXVI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 59 |
Mercado Crédito XXXVII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 65 |
Mercado Crédito XXXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 64 |
Mercado Crédito XXXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 64 |
Mercado Crédito XL |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 59 |
Mercado Crédito XLI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 48 |
Mercado Crédito XLII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 51 |
Fideicomiso Irrevocable de Administración y Fuente de Pago 6203 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 282 |
Fideicomiso Irrevocable de Administración y Fuente de Pago 6189 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 247 |
Fideicomiso Irrevocable de Administración y Fuente de Pago Número 6279 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 246 |
Fideicomiso Irrevocable de Administración y Fuente de Pago F/6191 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 131 |
Frontal Trust Mercado Pago Créditos Fondo de Inversión |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 11 |
Frontal Trust Mercado Pago Créditos Fondo de Inversión |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | 2 |
Frontal Trust Mercado Pago Créditos Fondo de Inversión |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Collateralized debt |  |  | $ 9 |
CDI | Mercado Crédito I Brasil Fundo de Investimento Em Direitos Creditórios Não Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.25% |
CDI | Mercado Crédito I Brasil Fundo de Investimento Em Direitos Creditórios Não Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 5.25% |
CDI | Mercado Crédito Fundo de Investimento Em Direitos Creditórios Não Padronizado |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 3.00% |
CDI | Mercado Crédito II Brasil Fundo De Investimento Em Direitos Creditórios Nao Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.75% |
CDI | Mercado Crédito II Brasil Fundo De Investimento Em Direitos Creditórios Nao Padronizados |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 5.25% |
CDI | Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.60% |
CDI | Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.80% |
CDI | Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.40% |
CDI | Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.60% |
CDI | Seller Fundo De Investimento Em Direitos Creditórios |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 0.85% |
CDI | Seller II Fundo De Investimento Em Direitos Creditórios Segmento Meios De Pagamento De Resp Ltda |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 0.85% |
BADLAR Rate | Mercado Crédito XXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Mercado Crédito XXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Mercado Crédito XXX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Mercado Crédito XXXI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Mercado Crédito XXXII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Mercado Crédito XXXIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Mercado Crédito XXXIV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
BADLAR Rate | Minimum | Mercado Crédito XXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
BADLAR Rate | Minimum | Mercado Crédito XXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
BADLAR Rate | Minimum | Mercado Crédito XXX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
BADLAR Rate | Minimum | Mercado Crédito XXXI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
BADLAR Rate | Minimum | Mercado Crédito XXXII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
BADLAR Rate | Minimum | Mercado Crédito XXXIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
BADLAR Rate | Minimum | Mercado Crédito XXXIV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 10.00% |
BADLAR Rate | Minimum | Mercado Crédito XXXV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 10.00% |
BADLAR Rate | Maximum | Mercado Crédito XXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 60.00% |
BADLAR Rate | Maximum | Mercado Crédito XXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 60.00% |
BADLAR Rate | Maximum | Mercado Crédito XXX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 60.00% |
BADLAR Rate | Maximum | Mercado Crédito XXXI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 60.00% |
BADLAR Rate | Maximum | Mercado Crédito XXXII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 60.00% |
BADLAR Rate | Maximum | Mercado Crédito XXXIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 60.00% |
BADLAR Rate | Maximum | Mercado Crédito XXXIV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 50.00% |
BADLAR Rate | Maximum | Mercado Crédito XXXV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.00% |
Effective interest rate |  |  | 40.00% |
TAMAR Rate | Mercado Crédito XXXVI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Mercado Crédito XXXVII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Mercado Crédito XXXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Mercado Crédito XXXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Mercado Crédito XL |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Mercado Crédito XLI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Mercado Crédito XLII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 1.00% |
TAMAR Rate | Minimum | Mercado Crédito XXXVI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
TAMAR Rate | Minimum | Mercado Crédito XXXVII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
TAMAR Rate | Minimum | Mercado Crédito XXXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 15.00% |
TAMAR Rate | Minimum | Mercado Crédito XXXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 25.00% |
TAMAR Rate | Minimum | Mercado Crédito XL |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 20.00% |
TAMAR Rate | Minimum | Mercado Crédito XLI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 20.00% |
TAMAR Rate | Minimum | Mercado Crédito XLII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 20.00% |
TAMAR Rate | Maximum | Mercado Crédito XXXVI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 50.00% |
TAMAR Rate | Maximum | Mercado Crédito XXXVII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 50.00% |
TAMAR Rate | Maximum | Mercado Crédito XXXVIII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 50.00% |
TAMAR Rate | Maximum | Mercado Crédito XXXIX |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 50.00% |
TAMAR Rate | Maximum | Mercado Crédito XL |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 75.00% |
TAMAR Rate | Maximum | Mercado Crédito XLI |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 75.00% |
TAMAR Rate | Maximum | Mercado Crédito XLII |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 75.00% |
Diario Oficial | Fideicomiso Irrevocable de Administración y Fuente de Pago 6203 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.20% |
Diario Oficial | Fideicomiso Irrevocable de Administración y Fuente de Pago 6189 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 2.80% |
Diario Oficial | Fideicomiso Irrevocable de Administración y Fuente de Pago Número 6279 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  |  | 2.50% |
Diario Oficial | Fideicomiso Irrevocable de Administración y Fuente de Pago F/6191 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 2.20% |
TAB 30 | Frontal Trust Mercado Pago Créditos Fondo de Inversión |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 2.10% |
TAB 30 | Frontal Trust Mercado Pago Créditos Fondo de Inversión |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 3.90% |
TAB 30 | Frontal Trust Mercado Pago Créditos Fondo de Inversión |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Effective interest rate |  |  | 4.25% |

X
- Definition The value of the collateral (typically cash) that the entity receives in a financing transaction in exchange for securities lent. This item represents a liability in the financial statements of the lender of the securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 25 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481557/860-30-25-8 + Details
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- Definition Line items represent financial concepts included in a table. 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