Intangible Assets

3 Months Ended

Mar. 31, 2026

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Intangible assets consists of the following:


			March 31, 2026																		December 31, 2025
(Dollars in millions)			Gross Carrying Amount						Accumulated Amortization						Net Carrying Amount						Gross Carrying Amount						Accumulated Amortization						Net Carrying Amount
Acquired intangible assets			$	1,087					$	(989)					$	98					$	1,087					$	(984)					$	103
Patents and licenses			18						(10)						8						18						(9)						9
Total intangible assets			$	1,105					$	(999)					$	106					$	1,105					$	(993)					$	112

Amortization expense related to acquired intangible assets was $5 million for the three months ended March 31, 2026 and 2025.