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Leases - Schedule of Weighted Average Remaining Lease Term and Discount Rate for Operating Leases (Details) | Dec. 31, 2021 | Dec. 31, 2020
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Weighted-average remaining lease term: |  |
Operating leases | 8 years | 8 years
Finance leases | 72 years | 71 years
Weighted-average discount rate: |  |
Operating leases | 2.90% | 3.10%
Finance leases | 5.00% | 5.00%
Leases excluding assets under construction |  |
Weighted-average remaining lease term: |  |
Finance leases | 3 years | 3 years
Weighted-average discount rate: |  |
Finance leases | 1.80% | 2.10%
Real estate under development |  |
Weighted-average discount rate: |  |
Finance lease term | 99 years | 99 years

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