Noncontrolling Interests - Narrative (Details) $ in Millions	1 Months Ended		12 Months Ended
	Sep. 30, 2024 property shares	Jul. 31, 2024 USD ($) property shares	Dec. 31, 2024 noncontrollingInterest
Noncontrolling interests
Number of noncontrolling interests consolidated | noncontrollingInterest			10
Conversion ratio			1.02934
Realty Income, L.P.
Noncontrolling interests
Third-party partnership ownership interest (as a percent)			9.95%
Ownership interest (as a percent)			90.05%
Realty Income, L.P.
Noncontrolling interests
Number of consolidated property partnerships interests converted by joint venture partner		2
Number of partnership units issued (in units) | shares	730,020	156,621
Number of properties acquired by acquiring a controlling interest	42
Realty Income, L.P. | Common stock and paid in capital
Noncontrolling interests
Issuance of common partnership units in excess over carrying value | $		$ 0.8