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Premises and Equipment (Tables)
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Premises and equipment at December 31, 2018, and December 31, 2017, consisted of the following:
 
 
December 31,
dollars in millions
Useful life (in years)
2018
2017
Land
Indefinite
$
135

$
138

Buildings and improvements
15-40
747

741

Leasehold improvements
1-15
626

633

Furniture and equipment
2-15
907

931

Capitalized building leases
   1-14(a)
28

27

Construction in process
N/A
35

38

Total premises and equipment
 
2,478

2,508

Less: Accumulated depreciation and amortization
 
(1,596
)
(1,578
)
Premises and equipment, net
 
$
882

$
930

 
 
 
 
(a)
Capitalized building and equipment leases are amortized over the lesser of the useful life of asset or lease term.