Revenue (Tables)

6 Months Ended

Jan. 27, 2024

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 27, 2024		January 28, 2023		January 27, 2024		January 28, 2023
Product revenue:
Networking	$	7,081	$	8,092	$	15,904	$	16,123
Security	973		943		1,984		1,914
Collaboration	989		958		2,106		2,044
Observability	188		162		378		319
Total Product	9,232		10,155		20,371		20,400
Services	3,559		3,437		7,088		6,824
Total	$	12,791	$	13,592	27,459		27,224

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

	Three Months Ended				Six Months Ended
	January 27, 2024		January 28, 2023		January 27, 2024		January 28, 2023
Revenue:
Networking	$	7,081	$	8,092	$	15,904	$	16,123
Security	973		943		1,984		1,914
Collaboration	989		958		2,106		2,044
Observability	188		162		378		319
Total Product	9,232		10,155		20,371		20,400
Services	3,559		3,437		7,088		6,824
Total	$	12,791	$	13,592	$	27,459	$	27,224

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 27, 2024		January 28, 2023		January 27, 2024		January 28, 2023
Allowance for credit loss at beginning of period	$	82	$	88	$	85	$	83
Provisions (benefits)	9		3		11		14
Recoveries (write-offs), net	(12)		(5)		(17)		(11)
Allowance for credit loss at end of period	$	79	$	86	$	79	$	86

Schedule of Gross Contract Assets by Internal Risk Ratings

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

	January 27, 2024		July 29, 2023
1 to 4	$	693	$	672
5 to 6	1,042		954
7 and Higher	62		60
Total	$	1,797	$	1,686