Preferred Stock - Narrative (Details) - USD ($)		3 Months Ended
	Mar. 12, 2026	Mar. 31, 2026	Dec. 31, 2025
Class of Stock [Line Items]
Carrying amount		$ 741,000,000	$ 349,000,000
Preferred stock, issued (in shares)		12,750	8,750
Noncontrolling interest		$ 295,000,000	$ 295,000,000
Preferred Class A
Class of Stock [Line Items]
Annual dividend rate		3.75%
Preferred stock, issued (in shares)		300,000
Preferred stock, liquidation preference per share (in dollars per share)		$ 1,000
Basis spread on variable rate		1.11161%
Noncontrolling interest		$ 295,000,000	295,000,000
Preferred Class A | Variable Rate Basis Spread, Percentage One
Class of Stock [Line Items]
Basis spread on variable rate		0.26161%
Preferred Class A | Variable Rate Basis Spread, Percentage Two
Class of Stock [Line Items]
Basis spread on variable rate		0.85%
Preferred Class B | FT Real Estate Securities Company, Inc.
Class of Stock [Line Items]
Annual dividend rate		9.50%
Preferred stock, liquidation preference per share (in dollars per share)		$ 1,000,000
Preferred stock issuance (in shares)		50
Preferred Class B | FT Real Estate Securities Company, Inc. | Non Affiliates
Class of Stock [Line Items]
Preferred stock issuance (in shares)		47
Series H
Class of Stock [Line Items]
Carrying amount	$ 400,000,000	$ 392,000,000	$ 0
Annual dividend rate	6.75%	6.75%