Supplemental Disclosures of Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Supplemental disclosures:
Cash paid for interest	$ 970,009	$ 692,004	$ 501,716
Cash paid for income taxes	32,278	12,283	45,031
Non-cash activities:
Net increase (decrease) in fair value of derivatives	64,092	(116,145)	58,753
Increase in noncontrolling interests from property acquisitions	0	39,156	0
Mortgages assumed at fair value	0	0	45,079
Realty Income, L.P.
Non-cash activities:
Issuance/conversion of common partnership units of Realty Income, L.P.	47,253	0	51,221
Term loans assumed at fair value
Non-cash activities:
Notes payable assumed at fair value	1,300,000	0	0
Notes payable assumed at fair value
Non-cash activities:
Notes payable assumed at fair value	$ 2,481,486	$ 0	$ 0