Real Estate Transactions - Development Activities (Details) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Real Estate [Abstract]
Development and redevelopment projects, amount decrease	$ 16
Development commitments	$ 454

Commitments, Development and Redevelopment Projects, Increase (Decrease)

No definition available.

Name:	peak_CommitmentsDevelopmentAndRedevelopmentProjectsAndTenantImprovementsAmountIncreaseDecrease
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration