XML 44 R33.htm IDEA: XBRL DOCUMENT v3.25.3
Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets
Intangible assets consists of the following:
September 30, 2025December 31, 2024
(Dollars in millions)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Acquired intangible assets$1,087 $(978)$109 $1,087 $(962)$125 
Patents and licenses14 (9)14 (7)
Total intangible assets
$1,101 $(987)$114 $1,101 $(969)$132