SENIOR NOTES PAYABLE AND OTHER DEBT - Summary of Senior Notes Payable and Other Debt (Details) $ in Thousands, $ in Millions	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CAD ($)	Oct. 31, 2023 USD ($)	Jul. 31, 2023	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Commercial paper notes	$ 0				$ 403,000
Long-term debt, gross	13,568,598				12,361,244
Deferred financing costs, net	(84,034)				(63,410)
Unamortized fair value adjustment	17,081				23,535
Unamortized discounts	(10,749)				(24,589)
Senior notes payable and other debt	13,490,896				12,296,780
Unsecured revolving credit facility | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	14,006				25,230
2.55% Senior Notes, Series D due 2023
Debt Instrument [Line Items]
Senior notes	$ 0				202,967
Interest rate	2.55%	2.55%
3.50% Senior Notes due 2024
Debt Instrument [Line Items]
Senior notes	$ 400,000				400,000
Interest rate	3.50%	3.50%
3.75% Senior Notes due 2024
Debt Instrument [Line Items]
Senior notes	$ 400,000				400,000
Interest rate	3.75%	3.75%
4.125% Senior Notes, Series B due 2024
Debt Instrument [Line Items]
Senior notes	$ 123,256				184,515
2.80% Senior Notes, Series E due 2024
Debt Instrument [Line Items]
Senior notes	55,143				442,837
Unsecured Term Loan due 2025
Debt Instrument [Line Items]
Unsecured debt	377,501	$ 500			369,031
3.50% Senior Notes due 2025
Debt Instrument [Line Items]
Senior notes	$ 600,000				600,000
Interest rate	3.50%	3.50%
2.65% Senior Notes due 2025
Debt Instrument [Line Items]
Senior notes	$ 450,000				450,000
Interest rate	2.65%	2.65%
4.125% Senior Notes due 2026
Debt Instrument [Line Items]
Senior notes	$ 500,000				500,000
Interest rate	4.125%	4.125%
3.25% Senior Notes due 2026
Debt Instrument [Line Items]
Senior notes	$ 450,000				450,000
Interest rate	3.25%	3.25%
3.75% Exchangeable Senior Notes due 2026
Debt Instrument [Line Items]
Senior notes	$ 862,500				0
Interest rate	3.75%	3.75%
Unsecured term loan due February 2027
Debt Instrument [Line Items]
Unsecured debt	$ 200,000				0
Unsecured term loan due June 2027
Debt Instrument [Line Items]
Unsecured debt	500,000				500,000
2.45% Senior Notes, Series G Due 2027
Debt Instrument [Line Items]
Senior notes	$ 358,626				350,579
Interest rate	2.45%	2.45%
3.85% Senior Notes due 2027
Debt Instrument [Line Items]
Senior notes	$ 400,000				400,000
Interest rate	3.85%	3.85%
4.00% Senior Notes due 2028
Debt Instrument [Line Items]
Senior notes	$ 650,000				650,000
Interest rate	4.00%	4.00%
5.398% Senior Notes, Series I due 2028
Debt Instrument [Line Items]
Senior notes	$ 453,001				0
Interest rate	5.398%	5.398%
4.40% Senior Notes due 2029
Debt Instrument [Line Items]
Senior notes	$ 750,000				750,000
Interest rate	4.40%	4.40%
3.00% Senior Notes due 2030
Debt Instrument [Line Items]
Senior notes	$ 650,000				650,000
Interest rate	3.00%	3.00%
4.75% Senior Notes due 2030
Debt Instrument [Line Items]
Senior notes	$ 500,000				500,000
Interest rate	4.75%	4.75%
2.50% Senior Notes due 2031
Debt Instrument [Line Items]
Senior notes	$ 500,000				500,000
Interest rate	2.50%	2.50%
2.50% Senior Notes, Series H Due 2031
Debt Instrument [Line Items]
Senior notes	$ 226,501				221,419
Interest rate	3.30%	3.30%
6.90% Senior Notes due 2037
Debt Instrument [Line Items]
Senior notes	$ 52,400				52,400
Interest rate	6.90%	6.90%
6.59% Senior Notes due 2038
Debt Instrument [Line Items]
Senior notes	$ 21,413				22,823
Interest rate	6.59%	6.59%
5.70% Senior Notes due 2043
Debt Instrument [Line Items]
Senior notes	$ 300,000				300,000
Interest rate	5.70%	5.70%
4.375% Senior Notes due 2045
Debt Instrument [Line Items]
Senior notes	$ 300,000				300,000
Interest rate	4.375%	4.375%
4.875% Senior Notes due 2049
Debt Instrument [Line Items]
Senior notes	$ 300,000				300,000
Interest rate	4.875%	4.875%
Mortgage loans and other
Debt Instrument [Line Items]
Long-term debt, gross	$ 3,174,251				2,436,443
Senior notes payable and other debt			$ 394,800
Interest rate				5.91%
Borrowings originally denominated in CAD | Unsecured revolving credit facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	0				3,700
Borrowings originally denominated in GBP | Unsecured revolving credit facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 14,000				$ 21,500