Acquisitions and Dispositions of Properties - Disposition of Other Properties (Details) - Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] - USD ($) $ in Millions			12 Months Ended
	Aug. 08, 2022	Mar. 16, 2021	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Joint venture contributions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Proceeds			$ 1,246.4	$ 2,278.5
Gain on sale			304.1	$ 814.0
Non-core assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Proceeds	$ 158.7	$ 341.3			$ 203.0
Gain on sale	$ (1.0)	$ 86.6			174.0
Brookfield transaction
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Proceeds			271.0
Gain on sale			191.6
Sale of noncontrolling interest in property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Proceeds			497.5
Gain on sale			$ 101.1
Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Proceeds					2.8
Gain on sale					$ 2.8