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- Definition

Area of land held.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Real Estate - 2021 Real Estate Investment Acquisitions (Details) $ in Millions	1 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) property	Jan. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) a property	Apr. 30, 2021 USD ($)
Medical Office
Real Estate [Line Items]
Number of properties acquired \| property				2
Medical Office \| Mortgage Debt
Real Estate [Line Items]
Face amount					$ 142
Medical Office \| MASSACHUSETTS
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 55
Medical Office \| TENNESSEE
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 13
Medical Office \| COLORADO
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 38
Medical Office \| UNITED STATES
Real Estate [Line Items]
Number of properties acquired \| property				14
Payments to acquire real estate				$ 371
Medical Office \| FLORIDA
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 16
Medical Office \| KANSAS
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 50
Medical Office \| NEW JERSEY
Real Estate [Line Items]
Number of properties acquired \| property				3
Payments to acquire real estate				$ 155
Medical Office \| TEXAS
Real Estate [Line Items]
Number of properties acquired \| property	2			2
Payments to acquire real estate	$ 43			$ 60
Medical Office \| WASHINGTON
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 43
Medical Office \| LOUISIANA
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate				$ 34
Life Science \| MASSACHUSETTS
Real Estate [Line Items]
Number of properties acquired \| property				8
Payments to acquire real estate		$ 72	$ 18	$ 498
Life Science \| CALIFORNIA
Real Estate [Line Items]
Number of properties acquired \| property				1
Payments to acquire real estate		$ 24		$ 20
Area of land \| a				12
Payments to acquire land				$ 128