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Real Estate and Accumulated Depreciation - Reconciliation of Carrying Amounts of Real Estate Investments (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]
Beginning Balance	$ 15,869	$ 15,946	$ 15,642
Additions:
Acquisitions		303	1,563
Capital expenditures and transfers from construction-in-progress	540	314	231
Deductions:
Dispositions and other	(175)	(694)	(954)
Assets held for sale			(444)
Impairments			(92)
Ending Balance	$ 16,234	$ 15,869	$ 15,946

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Additions.

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Deductions.

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SEC Schedule, 12-28, Real Estate Companies, Investment In Real Estate, Real Estate Held For Sale

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Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Column E))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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Amount of increase in real estate investments from acquisitions other than through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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Amount of write-down or reserve recognized in the income statement on real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1

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