DEBT - Revolving Credit Agreements (Details) - USD ($)	1 Months Ended			12 Months Ended
	May 31, 2024	Jun. 30, 2023	Jun. 30, 2021	Dec. 31, 2024
Loans Payable
Line of Credit Facility [Line Items]
Actual debt to capitalization (as percent)				41.90%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum debt to capitalization (as percent)				60.00%
Uncommitted incremental loan facility				$ 500,000,000
Maximum borrowing capacity including uncommitted incremental loan facility				5,250,000,000
Line of credit, outstanding borrowings				$ 0
Revolving Credit Facility | 5-year unsecured revolving credit agreement June 2023
Line of Credit Facility [Line Items]
Debt instrument, term (in years)		5 years		5 years
Maximum borrowing capacity		$ 2,500,000,000
Basis points spread on variable rate				1.14%
Facility fee				0.11%
Revolving Credit Facility | 5-year unsecured revolving credit agreement June 2023 | Minimum
Line of Credit Facility [Line Items]
Basis points spread on variable rate				0.92%
Facility fee				0.08%
Revolving Credit Facility | 5-year unsecured revolving credit agreement June 2023 | Maximum
Line of Credit Facility [Line Items]
Basis points spread on variable rate				1.30%
Facility fee				0.20%
Revolving Credit Facility | 5-year unsecured revolving credit agreement June 2021
Line of Credit Facility [Line Items]
Debt instrument, term (in years)			5 years
Maximum borrowing capacity			$ 2,500,000,000
Revolving Credit Facility | 5-year unsecured revolving credit agreement May 2024
Line of Credit Facility [Line Items]
Debt instrument, term (in years)	5 years			5 years
Maximum borrowing capacity	$ 2,642,000,000
Increase commitments	$ 142,000,000
Remaining borrowing capacity				$ 2,624,000,000
Revolving Credit Facility | 364-day unsecured revolving credit agreement May 2024
Line of Credit Facility [Line Items]
Debt instrument, term (in years)	364 days			364 days
Maximum borrowing capacity	$ 2,100,000,000
Basis points spread on variable rate				1.16%
Facility fee				0.09%
Remaining borrowing capacity				$ 2,100,000,000
Revolving Credit Facility | 364-day unsecured revolving credit agreement May 2024 | Minimum
Line of Credit Facility [Line Items]
Basis points spread on variable rate				0.94%
Facility fee				0.06%
Revolving Credit Facility | 364-day unsecured revolving credit agreement May 2024 | Maximum
Line of Credit Facility [Line Items]
Basis points spread on variable rate				1.35%
Facility fee				0.15%
Revolving Credit Facility | 364-day unsecured revolving credit agreement June 2023
Line of Credit Facility [Line Items]
Debt instrument, term (in years)		364 days
Maximum borrowing capacity		$ 1,500,000,000
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit, outstanding borrowings				$ 18,000,000