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SENIOR NOTES PAYABLE AND OTHER DEBT - Summary of Senior Notes Payables and Other Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	May 13, 2024	May 09, 2024	Apr. 29, 2024	Feb. 29, 2024	Dec. 31, 2023
Debt instruments
Commercial paper notes	$ 0					$ 0
Deferred financing costs, net	(99,445)					(84,034)
Unamortized fair value adjustment	(15,516)					17,081
Unamortized discounts	14,497					(10,749)
Senior notes payable and other debt	13,175,077					13,490,896
Mortgage loans and other	13,275,541					13,568,598
Unsecured revolving credit facility \| Revolving Credit Facility
Debt instruments
Fair value of amount outstanding	3,161					14,006
Unsecured revolving credit facility \| Revolving Credit Facility \| Borrowings Originally Denominated in CAD
Debt instruments
Mortgage loans and other	0
Unsecured revolving credit facility \| Revolving Credit Facility \| Borrowings Originally Denominated in GBP
Debt instruments
Mortgage loans and other	$ 3,200					14,000
3.50% Senior Notes due 2024
Debt instruments
Interest rate	3.50%
Senior notes	$ 0					400,000
3.75% Senior Notes due 2024
Debt instruments
Interest rate	3.75%
Senior notes	$ 0					400,000
4.125% Senior Notes, Series B due 2024
Debt instruments
Interest rate	4.125%
Senior notes	$ 119,362					123,256
2.80% Senior Notes, Series E due 2024
Debt instruments
Interest rate	2.80%
Senior notes	$ 0					55,143
Unsecured Term Loan due 2025
Debt instruments
Unsecured term loan	$ 0					377,501
3.50% Senior Notes due 2025
Debt instruments
Interest rate	3.50%
Senior notes	$ 600,000					600,000
2.65% Senior Notes due 2025
Debt instruments
Interest rate	2.65%
Senior notes	$ 450,000					450,000
4.125% Senior Notes due 2026
Debt instruments
Interest rate	4.125%
Senior notes	$ 500,000					500,000
3.25% Senior Notes due 2026
Debt instruments
Interest rate	3.25%
Senior notes	$ 450,000					450,000
3.75% Exchangeable Senior Notes due 2026
Debt instruments
Interest rate	3.75%
Senior notes	$ 862,500					862,500
Unsecured term loan due February 2027
Debt instruments
Unsecured term loan	200,000					200,000
Unsecured term loan due June 2027
Debt instruments
Unsecured term loan	$ 500,000					500,000
2.45% Senior Notes, Series G Due 2027
Debt instruments
Interest rate	2.45%
Senior notes	$ 347,298					358,626
3.85% Senior Notes due 2027
Debt instruments
Interest rate	3.85%
Senior notes	$ 400,000					400,000
4.00% Senior Notes due 2028
Debt instruments
Interest rate	4.00%
Senior notes	$ 650,000					650,000
5.398% Senior Notes due 2028
Debt instruments
Interest rate	5.398%
Senior notes	$ 438,693					453,001
4.40% Senior Notes due 2029
Debt instruments
Interest rate	4.40%
Senior notes	$ 750,000					750,000
5.10% Senior Notes, Series J due 2029
Debt instruments
Interest rate					5.10%
Senior notes	$ 475,250					0
3.00% Senior Notes due 2030
Debt instruments
Interest rate	3.00%
Senior notes	$ 650,000					650,000
4.75% Senior Notes due 2030
Debt instruments
Interest rate	4.75%
Senior notes	$ 500,000					500,000
2.50% Senior Notes due 2031
Debt instruments
Interest rate	2.50%
Senior notes	$ 500,000					500,000
3.30% Senior Notes, Series H Due 2031
Debt instruments
Interest rate	3.30%
Senior notes	$ 219,346					226,501
6.90% Senior Notes due 2037
Debt instruments
Interest rate	6.90%
Senior notes	$ 52,400					52,400
6.59% Senior Notes due 2038
Debt instruments
Interest rate	6.59%
Senior notes	$ 21,413					21,413
5.70% Senior Notes due 2043
Debt instruments
Interest rate	5.70%
Senior notes	$ 300,000					300,000
4.375% Senior Notes due 2045
Debt instruments
Interest rate	4.375%
Senior notes	$ 300,000					300,000
4.875% Senior Notes due 2049
Debt instruments
Interest rate	4.875%
Senior notes	$ 300,000					300,000
Mortgage loans and other
Debt instruments
Interest rate			6.02%	4.90%	4.644%
Mortgage loans and other	$ 3,186,118					3,174,251
5.63% Senior Notes due 2034
Debt instruments
Interest rate	5.625%	5.625%
Senior notes	$ 500,000					$ 0