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Leases (Narrative) (Details) - USD ($)
$ in Billions
Dec. 31, 2022
Dec. 31, 2021
Lessee, Lease, Description [Line Items]    
Lessor, operating lease assets $ 0.8 $ 0.9
Lessor, accumulated depreciation $ 0.2 $ 0.2
Lease, renewal term 99 years  
Minimum    
Lessee, Lease, Description [Line Items]    
Operating lease, term of contract 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Operating lease, term of contract 45 years