Preferred Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2023	Sep. 30, 2024	May 01, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Liquidation Amount		$ 438
Carrying Amount		$ 426		$ 520
Series D preferred stock redemption	$ 494
Preferred stock, issued (in shares)		16,750		26,750
Noncontrolling interest		$ 295		$ 295
Retained Earnings
Class of Stock [Line Items]
Series D preferred stock redemption		$ 7
Series A
Class of Stock [Line Items]
Liquidation Amount			$ 100
Carrying Amount			$ 94
Preferred Class A
Class of Stock [Line Items]
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%
Annual Dividend Rate		3.75%
Noncontrolling interest		$ 295		$ 295
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]
Preferred stock, liquidation preference per share (in dollars per share)		$ 1,000,000
Annual Dividend Rate		9.50%
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