During the fourth quarter of each year, the Company assesses its goodwill and indefinite-lived intangibles assigned to each of its reporting units for impairment by either performing a qualitative assessment or a quantitative analysis. No events or circumstances were noted in the first nine months of 2026 requiring additional assessment or testing.

A summary of the components in the carrying amount of goodwill as of September 30, 2026 and December 31, 2025 is as follows:


(in millions)	Power Systems		Aftermarket Solutions		Total
Gross goodwill balance, December 31, 2025	$	71	$	551	$	622

Accumulated impairment losses	—		(113)		(113)
Net goodwill balance, December 31, 2025	$	71	$	438	$	509
Goodwill during the period:

Measurement period adjustments	(1)		—		(1)
Translation adjustment	(1)		3		2
Net goodwill balance, September 30, 2026	$	69	$	441	$	510


		September 30, 2026						December 31, 2025
(in millions)	Estimated useful lives (years)	Gross carrying amount		Accumulated amortization		Net carrying amount		Gross carrying amount		Accumulated amortization		Net carrying amount
Amortized intangible assets:
Patented and unpatented technology	6 - 15	$	160	$	74	$	86	$	164	$	66	$	98
Customer relationships	12 - 15	287		154		133		291		141		150
Total amortized intangible assets		447		228		219		455		207		248
Unamortized trade names		147		—		147		150		—		150
Total other intangible assets		$	594	$	228	$	366	$	605	$	207	$	398