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- Definition

Finance Lease, Liability, Cumulative Annual Rent Commitments

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Lessee, Finance Lease, Lease Not Yet Commenced, Amount

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Lessee, Finance Lease, Number Of Buildings Under Contract

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Lessee, Finance Lease, Number Of Land Agreements

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Lessee, Finance Lease, Ownership Acquired

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Lessee, Finance Lease, Ownership Percentage Retained Following Lease Termination

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Lessee, Operating Lease, Lease Not Yet Commenced, Amount

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Lessee, Operating Lease, Percentage of Asset

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Area of a real estate property.

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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- Definition

Term of lessee's finance lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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-Section 50
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Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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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.

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Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Leases - Narrative (Details) ft² in Thousands, $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2016 lease	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2015 ft² building
Lessee, Lease, Description [Line Items]
Operating Leases, Rent Expense, Net			$ 221	$ 194
Operating lease, lease not yet commenced		$ 405
Finance lease, lease not yet commenced		23
Property and equipment, net		$ 1,731	$ 1,641
Finance Obligation
Lessee, Lease, Description [Line Items]
Number of buildings under contract \| building					2
Rentable square feet under contract \| ft²					423
Ownership acquired under the sale leaseback contract		49.00%			49.00%
Ownership percentage retained following lease termination	100.00%
Land Leases
Lessee, Lease, Description [Line Items]
Number of land agreement leases \| lease	2
Lease term	75 years
Commitments under Land Leases		$ 164
Financing obligation		78
Future land lease payments		$ 1,700
Future land lease payments, percentage allocated to operating lease		51.00%
Land Leases \| Land
Lessee, Lease, Description [Line Items]
Property and equipment, net		$ 65
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, lease not yet commenced, term		1 year
Finance lease, lease not yet commenced, term		1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, lease not yet commenced, term		11 years
Finance lease, lease not yet commenced, term		11 years