Revenue (Tables)

3 Months Ended

Oct. 25, 2025

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents this disaggregation of revenue (in millions):

	Three Months Ended
	October 25, 2025		October 26, 2024
Product revenue:
Networking	$	7,768	$	6,753
Security	1,980		2,017
Collaboration	1,055		1,085
Observability	274		258
Total Product	11,077		10,114
Services	3,806		3,727
Total revenue	$	14,883	$	13,841

Our subscription revenue is recorded in product and services revenue in our Consolidated Statements of Operations as follows (in millions):

	Three Months Ended
	October 25, 2025		October 26, 2024
Product	$	4,500	$	4,419
Services	3,500		3,425
Total	$	8,000	$	7,844

The following table presents revenue for groups of similar products and services (in millions):

	Three Months Ended
	October 25, 2025		October 26, 2024
Revenue:
Networking	$	7,768	$	6,753
Security	1,980		2,017
Collaboration	1,055		1,085
Observability	274		258
Total Product	11,077		10,114
Services	3,806		3,727
Total	$	14,883	$	13,841

Allowance for Credit Loss for Accounts Receivable

The allowances for credit loss for our accounts receivable are summarized as follows (in millions):

	Three Months Ended
	October 25, 2025		October 26, 2024
Allowance for credit loss at beginning of period	$	69	$	87
Provisions	(4)		—
Write-offs, net of recoveries	(3)		(9)
Allowance for credit loss at end of period	$	62	$	78

Schedule of Gross Contract Assets by Internal Risk Ratings

Gross contract assets by our internal risk ratings are summarized as follows (in millions):

	October 25, 2025		July 26, 2025
1 to 4	$	1,379	$	1,358
5 to 6	2,001		1,868
7 and Higher	75		73
Total	$	3,455	$	3,299