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Commitments (Tables)
9 Months Ended
Sep. 30, 2022
Commitments  
Changes in warranty liabilities

Standard Warranty Liability

(Dollars in millions)

    

2022

    

2021

Balance at January 1

$

77

$

83

Current period accruals

 

58

 

50

Accrual adjustments to reflect actual experience

 

(1)

 

(2)

Charges incurred

 

(62)

 

(66)

Balance at September 30

$

72

$

66

Extended Warranty Liability

(Dollars in millions)

    

2022

    

2021

Balance at January 1

$

350

$

425

Revenue deferred for new extended warranty contracts

 

103

 

71

Amortization of deferred revenue

 

(148)

 

(154)

Other*

 

(21)

 

(9)

Balance at September 30

$

284

$

334

Current portion

$

139

$

171

Noncurrent portion

$

145

$

163

* Other primarily consists of foreign currency translation adjustments.