Noncontrolling Interests - Narrative (Details) $ in Thousands		6 Months Ended		7 Months Ended
	Mar. 31, 2026 USD ($) property shares	Jun. 30, 2026 USD ($) entity	Jun. 30, 2025 USD ($)	Mar. 31, 2026 USD ($) shares	Dec. 31, 2025 USD ($)
Noncontrolling interests
Number of noncontrolling interests consolidated | entity		13
Contributions from noncontrolling owners		$ 1,875,349	$ 0
Noncontrolling interests		$ 2,384,520			$ 685,273
Apollo JV | Apollo
Noncontrolling interests
Third-party partnership ownership interest (as a percent)		49.00%
Apollo JV | Common Class B | Apollo
Noncontrolling interests
Investment shares | shares	49,000,000			49,000,000
Realty Income, L.P.
Noncontrolling interests
Ownership interest (as a percent)		90.05%
Third-party partnership ownership interest (as a percent)		9.95%
Primary Beneficiary
Noncontrolling interests
Noncontrolling interests		$ 2,384,520			685,273
Primary Beneficiary | U.S. Core Plus Fund
Noncontrolling interests
Investment company, committed capital		167,500		$ 1,700,000
Capital calls		$ 948,000
Ownership interest (as a percent)		26.80%
Noncontrolling interests		$ 1,396,640			477,081
Primary Beneficiary | Apollo JV
Noncontrolling interests
Ownership interest (as a percent)	51.00%			51.00%
Number of net lease properties contributed | property	492
Contributions from noncontrolling owners	$ 1,000,000
Noncontrolling interests		778,900
Increase in additional paid in capital		238,500
Reduction in APIC related to noncontrolling interest issuance costs		(20,700)
Primary Beneficiary | Apollo JV | Common Class A
Noncontrolling interests
Investment shares | shares	51,000,000			51,000,000
Primary Beneficiary | Apollo JV | Common Class B
Noncontrolling interests
Quarterly distribution, percentage of available cash flow	55.00%
Primary Beneficiary | Apollo JV | Common Class B | Minimum
Noncontrolling interests
Quarterly distribution, percentage of available cash flow	49.00%
Primary Beneficiary | Apollo JV | Common Class B | Maximum
Noncontrolling interests
Quarterly distribution, percentage of available cash flow	60.00%
Primary Beneficiary | Realty Income, L.P.
Noncontrolling interests
Noncontrolling interests		$ 164,395			$ 165,663