XML 261 R29.htm IDEA: XBRL DOCUMENT v3.25.1
Severance (Tables)
3 Months Ended
Mar. 31, 2025
Restructuring and Related Activities [Abstract]  
Schedule of Changes in Accrued Liabilities for Severance Expenses
Changes in our accrued liabilities for severance expenses were as follows:

Severance

(Dollars in millions)
Balance at December 31, 2024$12 
Accrued to expense11 
Payments, net(10)
Balance at March 31, 2025$13