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Investments in Unconsolidated Entities - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions						3 Months Ended	12 Months Ended
	Jan. 12, 2024 USD ($)	Nov. 10, 2023 USD ($) item property	Jul. 25, 2023 USD ($) property	Jul. 23, 2023 USD ($) property	Jul. 13, 2023 USD ($) property	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) property $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Realty Income
Schedule of Equity Method Investments [Line Items]
Number of properties sold \| property		2
Purchase Price		$ 185.0
Proceeds from partnership contribution		$ 148.0
Percentage of interest in partnership		80.00%
Remaining development cost to be funded by each partner in pro rata share		$ 150.0
Realty Income \| Hyperscale data center buildings in the Northern Virginia
Schedule of Equity Method Investments [Line Items]
Purchase Price		185.0
Proceeds from partnership contribution		$ 148.0
Percentage of interest in partnership		80.00%
Remaining development cost to be funded by each partner in pro rata share		$ 150.0
Number Of Data Centers \| item		2
TPG Real Estate Joint Venture \| Hyperscale data center buildings in the Northern Virginia
Schedule of Equity Method Investments [Line Items]
Number of properties sold \| property			3
Purchase Price			$ 1,500.0
Proceeds from partnership contribution			1,400.0
Fair value of the retained interest			$ 121.0
GI Partners Joint Venture \| Hyperscale data center buildings in the Chicago metro area
Schedule of Equity Method Investments [Line Items]
Number of properties sold \| property				2	2
Purchase Price				$ 900.0
Proceeds from partnership contribution				$ 700.0	$ 700.0
Percentage of interest in partnership				65.00%	65.00%
Fair value of the retained interest				$ 157.0
GI Partners Joint Venture \| Hyperscale data center buildings in the Chicago metro area \| Subsequent Event
Schedule of Equity Method Investments [Line Items]
Percentage of interest in partnership	80.00%
Additional cash contribution by Joint Venture partner	$ 68.0
Percentage of Interest Acquired in Joint Venture	15.00%
Ascenty \| Subsidiary of Operating Partnership subsidiary
Schedule of Equity Method Investments [Line Items]
Ownership interest by noncontrolling interest							2.00%	2.00%
Noncontrolling interests in consolidated entities							$ 18.0	$ 23.0
Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Number of units owned \| shares							406	396
Closing price per unit \| $ / shares							$ 0.65	$ 0.55
Fair value of shares							$ 264.0	$ 218.0
Impairment charge						$ 95.0
Realty Income
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures		20.00%
GI Partners \| Hyperscale data center buildings in the Chicago metro area
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures				35.00%
GI Partners \| Hyperscale data center buildings in the Chicago metro area \| Subsequent Event
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures	20.00%
TPG Real Estate \| Hyperscale data center buildings in the Northern Virginia
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures			20.00%
Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures							36.00%
North America \| Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures							10.00%
Germany \| Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint ventures							75.00%
Digital Core REIT (DCRU)
Schedule of Equity Method Investments [Line Items]
Number Of Data Centers \| property							12
Digital Core REIT (DCRU) \| Fee income and other
Schedule of Equity Method Investments [Line Items]
Fees earned pursuant to these contractual agreements							$ 10.7	$ 10.6
GI Partners \| GI Partners Joint Venture \| Hyperscale data center buildings in the Chicago metro area
Schedule of Equity Method Investments [Line Items]
Percentage of interest in partnership				65.00%
Call option to increase ownership interest in joint venture				80.00%
TPG Real Estate \| TPG Real Estate Joint Venture \| Hyperscale data center buildings in the Northern Virginia
Schedule of Equity Method Investments [Line Items]
Percentage of interest in partnership			80.00%