INVESTMENT PROPERTIES - Schedule of Investment Properties Measured at Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure of fair value measurement of assets [line items]
Investment properties	$ 100,865	$ 96,782
Core
Disclosure of fair value measurement of assets [line items]
Investment properties	19,384	19,339
Transitional and Development [Member]
Disclosure of fair value measurement of assets [line items]
Investment properties	27,669	29,764
LP Investments and Other [Member]
Disclosure of fair value measurement of assets [line items]
Investment properties	51,620	45,857
Other investment properties
Disclosure of fair value measurement of assets [line items]
Investment properties	$ 2,192	$ 1,822

The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2021-01-01
-Paragraph 76
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2021-01-01
-Paragraph 79
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d&doctype=Standard
-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_b&doctype=Standard
-URIDate 2021-03-24

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Balance Type:	debit
Period Type:	instant