Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Revenues:
Total revenues		$ 5,151	$ 3,997	$ 10,016	$ 7,734
Cost of revenues:
Total cost of revenues	[1],[2]	1,311	967	2,565	1,881
Gross profit		3,840	3,030	7,451	5,853
Operating expenses:
Research and development	[1],[2]	898	607	1,757	1,161
Marketing and sales	[1],[2]	2,275	1,824	4,665	3,521
General and administrative	[1],[2]	489	375	991	737
Loss on settlement of Salesforce.org reseller agreement	[1],[2]	0	166	0	166
Total operating expenses	[1],[2]	3,662	2,972	7,413	5,585
Income from operations		178	58	38	268
Gains on strategic investments, net		682	109	874	390
Other expense		(21)	(3)	(26)	(12)
Income before benefit from (provision for) income taxes		839	164	886	646
Benefit from (provision for) income taxes	[3]	1,786	(73)	1,838	(163)
Net income		$ 2,625	$ 91	$ 2,724	$ 483
Basic net income per share (in dollars per share)		$ 2.90	$ 0.12	$ 3.02	$ 0.62
Diluted net income per share (in dollars per share)		$ 2.85	$ 0.11	$ 2.96	$ 0.61
Shares used in computing basic net income per share (in shares)		904	776	901	774
Shares used in computing diluted net income per share (in shares)		922	795	919	795
Subscription and support
Revenues:
Total revenues		$ 4,840	$ 3,745	$ 9,415	$ 7,241
Cost of revenues:
Total cost of revenues	[1],[2]	1,013	727	1,979	1,405
Professional services and other
Revenues:
Total revenues		311	252	601	493
Cost of revenues:
Total cost of revenues	[1],[2]	$ 298	$ 240	$ 586	$ 476

[1] Amounts include amortization of intangible assets acquired through business combinations, as follows:  Three Months Ended July 31,Six Months Ended July 31, 2020201920202019Cost of revenues$166 $62 $325 $123 Marketing and sales118 65 230 133 

[2] Amounts include stock-based expense, as follows:  Three Months Ended July 31,Six Months Ended July 31, 2020201920202019Cost of revenues$63 $46 $115 $89 Research and development184 98 350 179 Marketing and sales253 199 476 376 General and administrative78 45 141 87 

[3] During the three months ended July 31, 2020 the Company recorded approximately $2.0 billion of benefit from income taxes due to a one-time discrete tax item from the recognition of deferred tax assets related to an intra-entity transfer of intangible property.