SENIOR NOTES PAYABLE AND OTHER DEBT - Summary of Senior Notes Payable and Other Debt (Details) $ in Thousands, $ in Millions	Dec. 31, 2022 USD ($)	Dec. 31, 2022 CAD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Commercial paper notes	$ 403,000			$ 280,000
Long-term debt, gross	12,361,244			12,093,138
Deferred financing costs, net	(63,410)			(69,925)
Unamortized fair value adjustment	23,535			32,888
Unamortized discounts	(24,589)			(28,557)
Senior notes payable and other debt	12,296,780			12,027,544
Unsecured revolving credit facility | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	25,230			56,448
Long-term debt, gross	25,200
Unsecured term loan due 2023
Debt Instrument [Line Items]
Unsecured debt	0		$ 200,000	200,000
2.55% Senior Notes, Series D due 2023
Debt Instrument [Line Items]
Senior notes	202,967			217,667
3.50% Senior Notes due 2024
Debt Instrument [Line Items]
Senior notes	400,000			400,000
3.75% Senior Notes due 2024
Debt Instrument [Line Items]
Senior notes	400,000			400,000
4.125% Senior Notes, Series B due 2024
Debt Instrument [Line Items]
Senior notes	184,515			197,879
2.80% Senior Notes, Series E due 2024
Debt Instrument [Line Items]
Senior notes	442,837			474,909
Unsecured Term Loan due 2025
Debt Instrument [Line Items]
Unsecured debt	369,031	$ 500		395,757
3.50% Senior Notes due 2025
Debt Instrument [Line Items]
Senior notes	600,000			600,000
2.65% Senior Notes due 2025
Debt Instrument [Line Items]
Senior notes	450,000			450,000
4.125% Senior Notes due 2026
Debt Instrument [Line Items]
Senior notes	500,000			500,000
3.25% Senior Notes due 2026
Debt Instrument [Line Items]
Senior notes	450,000			450,000
Unsecured term loan due 2027
Debt Instrument [Line Items]
Senior notes	500,000			0
Unsecured debt			$ 500,000
2.45% Senior Notes, Series G Due 2027
Debt Instrument [Line Items]
Senior notes	350,579			375,970
3.85% Senior Notes due 2027
Debt Instrument [Line Items]
Senior notes	400,000			400,000
4.00% Senior Notes due 2028
Debt Instrument [Line Items]
Senior notes	650,000			650,000
4.40% Senior Notes due 2029
Debt Instrument [Line Items]
Senior notes	750,000			750,000
3.00% Senior Notes due 2030
Debt Instrument [Line Items]
Senior notes	650,000			650,000
4.75% Senior Notes due 2030
Debt Instrument [Line Items]
Senior notes	500,000			500,000
2.50% Senior Notes due 2031
Debt Instrument [Line Items]
Senior notes	500,000			500,000
2.50% Senior Notes, Series H Due 2031
Debt Instrument [Line Items]
Senior notes	221,419			237,454
6.90% Senior Notes due 2037
Debt Instrument [Line Items]
Senior notes	52,400			52,400
6.59% Senior Notes due 2038
Debt Instrument [Line Items]
Senior notes	22,823			22,823
5.70% Senior Notes due 2043
Debt Instrument [Line Items]
Senior notes	300,000			300,000
4.375% Senior Notes due 2045
Debt Instrument [Line Items]
Senior notes	300,000			300,000
4.875% Senior Notes due 2049
Debt Instrument [Line Items]
Senior notes	300,000			300,000
Mortgage loans and other
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,436,443			2,431,831
6.59% Senior Notes due 2038
Debt Instrument [Line Items]
Interest rate	6.59%	6.59%
6.90% Senior Notes due 2037
Debt Instrument [Line Items]
Interest rate	6.90%	6.90%
Borrowings originally denominated in CAD | Unsecured revolving credit facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 3,700			30,900
Borrowings originally denominated in GBP | Unsecured revolving credit facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 21,500			$ 25,600