v3.19.3

Leases - Narrative (Details) ft² in Thousands, $ in Millions | 1 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 30, 2016 lease | Sep. 30, 2019 USD ($) | Dec. 31, 2015 ft² building | Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease, lease not yet commenced |  | $ 550 |  |
Finance lease, lease not yet commenced |  | 3 |  |
Property and equipment, net |  | $ 1,537 |  | $ 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 |  | $ 167 |  |
Financing obligation |  | 79 |  |
Future land lease payments |  | $ 1,800 |  |
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 |  | 2 years |  |
Finance lease, lease not yet commenced, term |  | 2 years |  |
Maximum |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating lease, lease not yet commenced, term |  | 11 years |  |
Finance lease, lease not yet commenced, term |  | 11 years |  |

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