Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
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-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 4
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-Publisher FASB
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Leases - Reconciliation of Total Lease Payments, on Undiscounted Basis, to Lease Liability on Balance Sheet (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee Lease Description [Line Items]
Weighted-average discount rate - operating leases	5.30%	5.30%	5.30%
2024	$ 38
2025	37
2026	37
2027	36
2028	36
Thereafter	1,381
Total undiscounted cash flows	1,565
Long-term lease liabilities	563
Total lease liabilities	563	$ 568
Difference between undiscounted cash flows and discounted cash flows	$ 1,002
Ground Leases
Lessee Lease Description [Line Items]
Weighted-average discount rate - operating leases	5.40%
2024	$ 31
2025	31
2026	31
2027	31
2028	31
Thereafter	1,343
Total undiscounted cash flows	1,498
Long-term lease liabilities	511
Total lease liabilities	511
Difference between undiscounted cash flows and discounted cash flows	$ 987
Office Leases and Other
Lessee Lease Description [Line Items]
Weighted-average discount rate - operating leases	3.70%
2024	$ 7
2025	6
2026	6
2027	5
2028	5
Thereafter	38
Total undiscounted cash flows	67
Long-term lease liabilities	52
Total lease liabilities	52
Difference between undiscounted cash flows and discounted cash flows	$ 15