Supplemental Disclosures of Cash Flow Information - Summary (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Supplemental disclosures:
Cash paid for interest	$ 732,123	$ 501,162
Cash paid for income taxes	29,818	11,462
Non-cash activities:
Net decrease in fair value of derivatives	(44,050)	(51,386)
Increase in noncontrolling interests from property acquisitions	0	39,156
Issuance/conversion of common partnership units of Realty Income, L.P.	47,253	0
Term loans
Non-cash activities:
Notes payable assumed at fair value	1,300,000	0
Notes payable
Non-cash activities:
Notes payable assumed at fair value	$ 2,481,486	$ 0