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Leases (Tables)
6 Months Ended
Jun. 30, 2020
Leases  
Summary of lease revenue included in the Consolidated Income Statement

​

​

​

​

​

​

​

​

(Dollars in millions)

​

​

​

​

​

​

For the three months ended June 30:

    

2020

​

2019

Financing lease revenue

​

$

43

​

$

51

Operating lease revenue

​

​

54

​

​

70

Variable lease revenue

​

​

1

​

​

2

Total lease revenue

​

$

98

​

$

124

​

​

​

​

​

​

​

​

(Dollars in millions)

​

​

​

​

​

​

For the six months ended June 30:

    

2020

​

2019

Financing lease revenue

​

$

93

​

$

107

Operating lease revenue

​

​

112

​

​

149

Variable lease revenue

​

​

12

​

​

12

Total lease revenue

​

$

217

​

$

268