Acquisition-related intangible assets consisted of the following as of July 31, 2026 (in millions):


	Gross Carrying Value		Accumulated Amortization		Net Book Value
Developed technology	$	742	$	(405)	$	337
Customer relationships	506		(234)		272
Backlog	17		(16)		1
Trade name	17		(16)		1
Total acquisition-related intangible assets	$	1,282	$	(671)	$	611

Acquisition-related intangible assets consisted of the following as of January 31, 2026 (in millions):


	Gross Carrying Value		Accumulated Amortization		Net Book Value
Developed technology	$	742	$	(362)	$	380
Customer relationships	506		(210)		296
Backlog	17		(15)		2
Trade name	17		(14)		3
Total acquisition-related intangible assets	$	1,282	$	(601)	$	681

Amortization expense related to acquisition-related intangible assets was $34 million and $21 million for the three months ended July 31, 2026, and 2025, respectively, and $70 million and $42 million for the six months ended July 31, 2026, and 2025, respectively.

As of July 31, 2026, our future estimated amortization expense related to acquisition-related intangible assets was as follows (in millions):


Fiscal Period:
Remainder of 2027	$	68
2028	132
2029	122
2030	106
2031	60
Thereafter	123
Total future estimated amortization expense	$	611