v3.22.2.2
Deferred Revenue (Tables)
9 Months Ended
Sep. 30, 2022
Revenue Recognition and Deferred Revenue [Abstract]  
Summary of Deferred Revenue Activity

Deferred revenue activity consists of the following (dollars in millions):

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

 

2022

 

 

2021

 

 

2022

 

 

2021

 

Beginning balance

 

$

135

 

 

$

142

 

 

$

136

 

 

$

143

 

Increases

 

 

8

 

 

 

6

 

 

 

28

 

 

 

22

 

Revenue earned

 

 

(9

)

 

 

(10

)

 

 

(30

)

 

 

(27

)

Ending balance

 

$

134

 

 

$

138

 

 

$

134

 

 

$

138