Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 29, 2023	Oct. 30, 2022	Oct. 29, 2023	Oct. 30, 2022	Feb. 28, 2023	Jan. 31, 2023
Property, Plant and Equipment [Line Items]
Cost of revenue	$ (4,720)	$ (2,754)	$ (11,309)	$ (9,400)
Benefit in operating expenses	(2,983)	(2,576)	(8,152)	(8,555)
benefit in operating income	10,417	601	19,358	2,968
Increase in net income	$ 9,243	$ 680	$ 17,475	$ 2,954
Increase in basic earnings per share (in dollars per share)	$ 3.75	$ 0.27	$ 7.07	$ 1.18
Increase in diluted earnings per share (in dollars per share)	$ 3.71	$ 0.27	$ 7.01	$ 1.17
Service Life
Property, Plant and Equipment [Line Items]
Cost of revenue	$ 17		$ 24
Benefit in operating expenses	24		83
benefit in operating income	41		107
Increase in net income	$ 36		$ 91
Increase in basic earnings per share (in dollars per share)	$ 0.01		$ 0.04
Increase in diluted earnings per share (in dollars per share)	$ 0.01		$ 0.04
Storage and Network Equipment
Property, Plant and Equipment [Line Items]
Useful life						3 years
Storage and Network Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life					4 years
Storage and Network Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life					5 years
Assembling and Testing Equipment
Property, Plant and Equipment [Line Items]
Useful life					7 years	5 years