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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) MMBTU | Dec. 31, 2021 USD ($) MMBTU
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealised Gains (Losses) On Change In Fair Value Of Derivatives | $ (146) | $ 704
Equity derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Derivative, Notional Amount | 1,900 | 1,800
Interest Rate Swap and Forward Starting Swap Contracts [Member] |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Derivative, Notional Amount | 37,500 | 28,600
Interest Rate Swaptions |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Derivative, Notional Amount | 244 | 248
Interest Rate Cap Contracts |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Derivative, Notional Amount | 22,800 | 27,100
Foreign exchange |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealised Gains (Losses) On Change In Fair Value Of Derivatives | 23 | 53
Gains (losses) on hedges of net investments in foreign operations, net of tax | 2,800 | 367
Derivative, Notional Amount | 50,361 | 63,083
Equity derivatives |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealised Gains (Losses) On Change In Fair Value Of Derivatives | (296) | 757
Derivative, Notional Amount | $ 1,942 | $ 4,448
Natural gas commodity instrument [Member] |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Nominal Amount of Commodity Derivatives | MMBTU | 128,381,000 | 246,375,000

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