XML 50 R37.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments (Tables)
6 Months Ended
Jun. 30, 2020
Commitments  
Changes in warranty liabilities

Standard Warranty Liability

​

​

​

​

​

​

​

(Dollars in millions)

    

2020

    

2019

Balance at January 1

​

$

113

​

$

118

Current period accruals

​

 

43

​

 

45

Accrual adjustments to reflect actual experience

​

 

(14)

​

 

(1)

Charges incurred

​

 

(49)

​

 

(59)

Balance at June 30

​

$

93

​

$

103

​

Extended Warranty Liability

​

​

​

​

​

​

​

(Dollars in millions)

    

2020

    

2019

Balance at January 1

​

$

477

​

$

533

Revenue deferred for new extended warranty contracts

​

 

93

​

 

81

Amortization of deferred revenue

​

 

(115)

​

 

(128)

Other*

​

 

(9)

​

 

0

Balance at June 30

​

$

445

​

$

486

Current portion

​

$

216

​

$

225

Noncurrent portion

​

$

228

​

$

260

* Other primarily consists of foreign currency translation adjustments.