XML 46 R35.htm IDEA: XBRL DOCUMENT v3.24.2
Deferred Revenue (Tables)
 6 Months Ended
Jun. 30, 2024
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,

 

 

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Beginning balance

 

$

134

 

 

$

139

 

 

$

130

 

 

$

131

 

Increases

 

 

13

 

 

 

11

 

 

 

26

 

 

 

29

 

Revenue earned

 

 

(11

)

 

 

(11

)

 

 

(20

)

 

 

(21

)

Ending balance

 

$

136

 

 

$

139

 

 

$

136

 

 

$

139