v3.25.2
Deferred Revenue (Tables)
6 Months Ended
Jun. 30, 2025
Revenue Recognition and Deferred Revenue [Abstract]  
Summary of Deferred Revenue Activity

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

 

 

 

Three Months Ended
June 30,

 

 

Six Months Ended
June 30,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Beginning balance

 

$

136

 

 

$

134

 

 

$

136

 

 

$

130

 

Increases

 

 

16

 

 

 

13

 

 

 

27

 

 

 

26

 

Revenue earned

 

 

(16

)

 

 

(11

)

 

 

(27

)

 

 

(20

)

Ending balance

 

$

136

 

 

$

136

 

 

$

136

 

 

$

136