Intangible Assets

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Intangible assets consisted of:

	As of March 31, 2024						As of December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized Intangible Assets
License agreements	$	312	$	236	$	76	$	316	$	234	$	82
Customer relationships	250		220		30		253		221		32
Other	54		46		8		56		46		10
Total	$	616	$	502	$	114	$	625	$	501	$	124
Unamortized Intangible Assets
Goodwill	$	1,088					$	1,099
Trademarks	$	544					$	546

For the three months ended March 31, 2024 and 2023, amortization expense related to amortizable intangible assets was approximately $8 million in each period.

Based on our amortizable intangible assets at March 31, 2024, we expect amortization expense of approximately $21 million for the remainder of 2024, $22 million for 2025, $21 million for 2026, $16 million for 2027, $9 million for 2028 and $7 million for 2029, excluding effects of currency exchange rates.