Loans Receivable - Outpatient Medical Seller Financing (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2024 USD ($) property extension_option	Dec. 31, 2024 USD ($) property
Outpatient Medical Buildings
Loans Receivable:
Number of assets sold | property	59	59
Proceeds from sale of buildings	$ 674	$ 674
Investments in loans receivable	$ 405	405
Loans receivable, number of extensions | extension_option	2
Loan receivable, period of extensions	12 months
Proceeds from loan originations	$ 1
Mark to market discount of real estate		21
Non-cash interest income		$ 3
Outpatient Medical Buildings | Minimum
Loans Receivable:
Loans receivable, interest rate	0.060
Outpatient Medical Buildings | Maximum
Loans Receivable:
Loans receivable, interest rate	0.065
Two Outpatient Medical Buildings
Loans Receivable:
Number of assets sold | property		2
Proceeds from sale of buildings		$ 23
Investments in loans receivable		$ 14