INVESTMENT REAL ESTATE AND REAL ESTATE PARTNERSHIPS (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2024	Dec. 31, 2023
Real Estate [Line Items]
Amount	$ 2,163	$ 861
Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 2,163	$ 861
Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	100.00%	100.00%
Real estate partnerships
Real Estate [Line Items]
Amount	$ 4,502	$ 3,110
Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	100.00%	100.00%
Hotel \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 137	$ 14
Hotel \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	6.00%	2.00%
Hotel \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 394	$ 462
Hotel \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	9.00%	15.00%
Industrial \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 28	$ 65
Industrial \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	1.00%	8.00%
Industrial \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 446	$ 369
Industrial \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	10.00%	12.00%
Land \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 129	$ 37
Land \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	6.00%	4.00%
Land \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 49	$ 15
Land \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	1.00%	1.00%
Office \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 349	$ 464
Office \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	16.00%	53.00%
Office \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 2,016	$ 1,402
Office \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	44.00%	45.00%
Retail \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 230	$ 218
Retail \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	11.00%	25.00%
Retail \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 689	$ 17
Retail \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	15.00%	1.00%
Apartments \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 0	$ 60
Apartments \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	0.00%	7.00%
Apartments \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 520	$ 425
Apartments \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	12.00%	13.00%
Student housing \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 0	$ 0
Student housing \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	0.00%	0.00%
Student housing \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 94	$ 85
Student housing \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	2.00%	2.00%
Single family residential \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 1,279
Single family residential \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	59.00%
Single family residential \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 0
Single family residential \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	0.00%
Other \| Investment real estate, net of accumulated depreciation
Real Estate [Line Items]
Amount	$ 11	$ 3
Other \| Investment real estate, net of accumulated depreciation \| Market Sector
Real Estate [Line Items]
Percentage	1.00%	1.00%
Other \| Real estate partnerships
Real Estate [Line Items]
Amount	$ 294	$ 335
Other \| Real estate partnerships \| Market Sector
Real Estate [Line Items]
Percentage	7.00%	11.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
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+ References

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