
	September 30, 2024						December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Amortization Period
Trade names	$	1,816	$	(985)	$	831	$	1,812	$	(911)	$	901	3 - 20 years
Supply and distribution agreements	1,410		(832)		578		1,402		(759)		643		3 - 20 years


Other intangible assets	331		(290)		41		330		(261)		69		Up to 20 years
Total intangible assets	$	3,557	$	(2,107)	$	1,450	$	3,544	$	(1,931)	$	1,613

Intangible assets are amortized on a straight-line basis. Amortization expense for the intangible assets was $55 million for the three months ended September 30, 2024 and 2023 and $166 million for the nine months ended September 30, 2024 and 2023.

The carrying value of the Company's goodwill at September 30, 2024 and December 31, 2023 was $2.8 billion and is stated net of cumulative impairment charges of $2.0 billion. The Company tests goodwill for impairment at the reporting unit level on an annual basis as of September 30 and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. As of September 30, 2024, the Company performed its annual goodwill impairment test and concluded that there was no impairment of goodwill.