Revenues - Summary of Subscription and Support and Geographic Location Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 37,895	$ 34,857	$ 31,352
Americas
Disaggregation of Revenue [Line Items]
Total revenues	25,143	23,289	21,250
Europe
Disaggregation of Revenue [Line Items]
Total revenues	8,891	8,128	7,163
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenues	3,861	3,440	2,939
Subscription and support
Disaggregation of Revenue [Line Items]
Total revenues	35,679	32,537	29,021
Sales
Disaggregation of Revenue [Line Items]
Total revenues	8,322	7,580	6,831
Service
Disaggregation of Revenue [Line Items]
Total revenues	9,054	8,245	7,369
Platform and Other
Disaggregation of Revenue [Line Items]
Total revenues	7,247	6,611	5,967
Marketing and Commerce
Disaggregation of Revenue [Line Items]
Total revenues	5,281	4,912	4,516
Integration and Analytics
Disaggregation of Revenue [Line Items]
Total revenues	$ 5,775	$ 5,189	$ 4,338