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NON-RECOURSE BORROWINGS - Schedule of Subsidiary Borrowings By Currency (Details) R$ in Millions, $ in Millions, $ in Millions | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2021 BRL (R$) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CAD ($) | Dec. 31, 2020 BRL (R$)
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Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subsidiary Borrowings | $ 13,049 |  |  | $ 10,768 |  |
U.S. dollars |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subsidiary Borrowings | 6,535 |  |  | 4,376 |  |
Canadian dollars |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subsidiary Borrowings | 6,429 | $ 8,130 |  | 6,254 | $ 7,963 |
Brazil, Brazil Real |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subsidiary Borrowings | $ 85 |  | R$ 472 | $ 138 |  | R$ 715

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