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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
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