Acquisition-related intangible assets, net consisted of the following as of July 31, 2025 (in millions):


	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Developed technology	$	473	$	(327)	$	146
Customer relationships	362		(188)		174
Backlog	15		(15)		0
Trade name	14		(14)		0
Total	$	864	$	(544)	$	320

Acquisition-related intangible assets, net consisted of the following as of January 31, 2025 (in millions):


	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Developed technology	$	473	$	(303)	$	170
Customer relationships	362		(171)		191
Backlog	15		(15)		0
Trade name	14		(14)		0
Total	$	864	$	(503)	$	361

Amortization expense related to acquisition-related intangible assets was $21 million and $20 million for the three months ended July 31, 2025, and 2024, respectively, and $42 million and $37 million for the six months ended July 31, 2025, and 2024, respectively.

As of July 31, 2025, our future estimated amortization expense related to acquisition-related intangible assets was as follows (in millions):


Fiscal Period:
Remainder of 2026	$	41
2027	57
2028	53
2029	43
2030	35
Thereafter	91
Total	$	320