The changes in amounts of goodwill by operating segments were as follows. There were no accumulated goodwill impairment losses.


	PPA		SAT		CF		Total
Goodwill at October 29, 2023	$	702	$	363	$	2,835	$	3,900
Translation adjustments		1		1		34		36
Goodwill at April 28, 2024	$	703	$	364	$	2,869	$	3,936

Goodwill at October 27, 2024	$	701	$	365	$	2,893	$	3,959
Translation adjustments and other		8		3		124		135
Goodwill at April 27, 2025	$	709	$	368	$	3,017	$	4,094


	April 27		October 27		April 28
	2025		2024		2024
Customer lists and relationships	$	517	$	508	$	505
Technology, patents, trademarks, and other		1,481		1,423		1,404
Total at cost		1,998		1,931		1,909
Less accumulated amortization:
Customer lists and relationships		(249)		(231)		(213)
Technology, patents, trademarks, and other		(785)		(701)		(632)
Total accumulated amortization		(1,034)		(932)		(845)
Other intangible assets – net	$	964	$	999	$	1,064

The amortization of other intangible assets in the second quarter and the first six months of 2025 was $37 and $78, and for the second quarter and the first six months of 2024 was $41 and $83, respectively. The estimated amortization expense for the next five years is as follows: remainder of 2025 – $73, 2026 – $135, 2027 – $128, 2028 – $92, 2029 – $77, and 2030 – $74.