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SENIOR NOTES PAYABLE AND OTHER DEBT - Credit Facilities and Unsecured Term Loans (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2022 USD ($) period	Dec. 31, 2022 CAD ($)	Oct. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Long-term debt, gross		$ 12,361,244,000				$ 12,093,138,000
Commercial paper program capacity		1,000,000,000
Commercial paper notes		403,000,000				280,000,000
Unsecured Term Loan due 2025
Debt Instrument [Line Items]
Unsecured debt		$ 369,031,000	$ 500			395,757,000
Unsecured Term Loan due 2025 \| Canadian Dollar Offered Rate (CDOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.90%
Unsecured term loan due 2023
Debt Instrument [Line Items]
Unsecured debt		$ 0			$ 200,000,000	$ 200,000,000
Unsecured term loan due 2023 \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.90%
Unsecured term loan due 2027
Debt Instrument [Line Items]
Unsecured debt					500,000,000
Accordion feature					$ 1,250,000,000
Unsecured term loan due 2027 \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.95%
Revolving Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding		15,400,000
Revolving Credit Facility \| Unsecured Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 2,750,000,000
Additional periods \| period		2
Additional period term		6 months
Accordion feature of debt		$ 3,750,000,000
Line of credit facility, remaining borrowing capacity		2,700,000,000
Long-term debt, gross		$ 25,200,000
Revolving Credit Facility \| Unsecured Debt \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.825%
Letter of Credit \| Unsecured Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 100,000,000