Equity and Redeemable Noncontrolling Interests - Redeemable Noncontrolling Interests and Healthpeak OP (Details) unit in Thousands, $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($) joint_venture unit shares	Sep. 30, 2024 unit	Dec. 31, 2024 unit	Apr. 30, 2024 USD ($) property
Noncontrolling Interest [Line Items]
Currently exercisable put options | $	$ 15
Exercisable upon completion of development projects | $	$ 13
Number of redeemable noncontrolling interests with redemption conditions | property				4
Redemption value | $				$ 53
Units outstanding (in units) | unit	4,000		3,000
Issuance of OP units criteria redemption (in units) | unit	265		76
Outpatient medical
Noncontrolling Interest [Line Items]
Number of joint ventures | joint_venture	2
Healthpeak OP | Total Noncontrolling Interests
Noncontrolling Interest [Line Items]
Issuance of OP units (in units) | unit	2,000	2,000
Common stock, unit redemption share amount | shares	1