Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Revenues:
Total revenues		$ 26,492	$ 21,252	$ 17,098
Cost of revenues:
Total cost of revenues	[1],[2]	7,026	5,438	4,235
Gross profit		19,466	15,814	12,863
Operating expenses:
Research and development	[1],[2]	4,465	3,598	2,766
Marketing and sales	[1],[2]	11,855	9,674	7,930
General and administrative	[1],[2]	2,598	2,087	1,704
Loss on settlement of Salesforce.org reseller agreement	[1],[2]	0	0	166
Total operating expenses	[1],[2]	18,918	15,359	12,566
Income from operations		548	455	297
Gains on strategic investments, net		1,211	2,170	427
Other expense		(227)	(64)	(18)
Income before benefit from (provision for) income taxes		1,532	2,561	706
Benefit from (provision for) income taxes	[3]	(88)	1,511	(580)
Net income		$ 1,444	$ 4,072	$ 126
Basic net income per share (in dollars per share)		$ 1.51	$ 4.48	$ 0.15
Diluted net income per share (in dollars per share)		$ 1.48	$ 4.38	$ 0.15
Shares used in computing basic net income per share (in shares)		955	908	829
Shares used in computing diluted net income per share (in shares)		974	930	850
Subscription and support
Revenues:
Total revenues		$ 24,657	$ 19,976	$ 16,043
Cost of revenues:
Total cost of revenues	[1],[2]	5,059	4,154	3,198
Professional services and other
Revenues:
Total revenues		1,835	1,276	1,055
Cost of revenues:
Total cost of revenues	[1],[2]	$ 1,967	$ 1,284	$ 1,037

[1] Amounts include amortization of intangible assets acquired through business combinations, as follows: Fiscal Year Ended January 31,202220212020Cost of revenues$897 $662 $440 Marketing and sales727 459 352 

[2] Amounts include stock-based expense, as follows:  Fiscal Year Ended January 31, 202220212020Cost of revenues$386 $241 $204 Research and development918 703 510 Marketing and sales1,104 941 852 General and administrative371 305 219 

[3] During fiscal 2021, the Company recorded approximately $2.0 billion of a one-time benefit from a discrete tax item related to the recognition of deferred tax assets resulting from an intra-entity transfer of intangible property.