LIQUIDITY AND CAPITAL MANAGEMENT - Contractual Obligations (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Liquidity and Capital Management [Abstract]
Capital	$ 100,000	$ 99,000
Percent of debt representing non-recourse mortgages	2.00%
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	$ 52,570
Total capital securities	3,085	3,033
Lease obligations	3,414
Commitments	1,144
Debt obligations	6,392
Capital securities	722
Interest rate swaps	60
Borrowing costs capitalised	249	$ 258
Less than 1 year
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	13,975
Total capital securities	61
Lease obligations	72
Commitments	963
Debt obligations	1,751
Capital securities	162
Interest rate swaps	35
1 Year
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	8,043
Total capital securities	999
Lease obligations	44
Commitments	166
Debt obligations	1,489
Capital securities	149
Interest rate swaps	25
2 Years
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	11,573
Total capital securities	564
Lease obligations	44
Commitments	13
Debt obligations	1,098
Capital securities	151
Interest rate swaps	0
3 Years
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	5,626
Total capital securities	0
Lease obligations	44
Commitments	2
Debt obligations	756
Capital securities	112
Interest rate swaps	0
4 Years
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	6,565
Total capital securities	546
Lease obligations	43
Commitments	0
Debt obligations	494
Capital securities	115
Interest rate swaps	0
More than 5 years
Disclosure of maturity analysis for non-derivative financial liabilities [line items]
Debt obligations	6,788
Total capital securities	915
Lease obligations	3,167
Commitments	0
Debt obligations	804
Capital securities	33
Interest rate swaps	$ 0

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Capital Securities

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Contractual Obligations, Expected Interest Payments, Capital Securities

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Contractual Obligations, Expected Interest Payments, Derivatives

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Debt Obligations, Non-recourse Mortgage, Percent of Total Debt

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Liquidity and Capital Management

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Minimum Finance Lease Payments Payable And Minimum Lease Payments Payable Under Operating Lease

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The amount of contractual undiscounted cash flows in relation to bank borrowings. [Refer: Borrowings]

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The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset.

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The amount of future capital expenditures that the entity is committed to make.

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