v3.26.1
Revenue Recognition and Contracts with Customers (Tables)
 6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Summary of contract assets and liabilities
The following table summarizes our contract assets and liabilities balances:
 20262025
 (Dollars in millions)
Contract assets—January 1$48 $40 
Contract assets—June 30
53 51 
Change in contract assets—Increase/(Decrease)$5 $11 
Contract liabilities—January 1$(10)$(8)
Contract liabilities—June 30
(16)(15)
Change in contract liabilities—Decrease/(Increase)$(6)$(7)