Revenue (Tables)

6 Months Ended

Jan. 25, 2025

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

	Three Months Ended				Six Months Ended
	January 25, 2025		January 27, 2024		January 25, 2025		January 27, 2024
Product revenue:
Networking	$	6,850	$	7,081	$	13,603	$	15,904
Security	2,111		973		4,129		1,984
Collaboration	996		989		2,081		2,106
Observability	277		188		535		378
Total Product	10,234		9,232		20,348		20,371
Services	3,757		3,559		7,484		7,088
Total	$	13,991	$	12,791	$	27,832	$	27,459

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

	Three Months Ended				Six Months Ended
	January 25, 2025		January 27, 2024		January 25, 2025		January 27, 2024
Product	$	4,432	$	3,110	$	8,851	$	6,317
Services	3,430		3,280		6,855		6,534
Total	$	7,862	$	6,390	$	15,706	$	12,851

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

	Three Months Ended				Six Months Ended
	January 25, 2025		January 27, 2024		January 25, 2025		January 27, 2024
Revenue:
Networking	$	6,850	$	7,081	$	13,603	$	15,904
Security	2,111		973		4,129		1,984
Collaboration	996		989		2,081		2,106
Observability	277		188		535		378
Total Product	10,234		9,232		20,348		20,371
Services	3,757		3,559		7,484		7,088
Total	$	13,991	$	12,791	$	27,832	$	27,459

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				Six Months Ended
	January 25, 2025		January 27, 2024		January 25, 2025		January 27, 2024
Allowance for credit loss at beginning of period	$	78	$	82	$	87	$	85
Provisions (benefits)	12		9		12		11
Recoveries (write-offs), net	(10)		(12)		(19)		(17)
Allowance for credit loss at end of period	$	80	$	79	$	80	$	79

Schedule of Gross Contract Assets by Internal Risk Ratings

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

	January 25, 2025		July 27, 2024
1 to 4	$	1,223	$	1,266
5 to 6	1,659		1,456
7 and Higher	82		72
Total	$	2,964	$	2,794