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Business Combinations - Narrative (Details) - USD ($) $ in Millions		1 Months Ended			12 Months Ended
	Oct. 31, 2024	Nov. 30, 2024	Feb. 29, 2024	Apr. 30, 2022	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Business Acquisition [Line Items]
Goodwill					$ 51,283	$ 48,620	$ 48,568
Weighted Average Remaining Useful Life (Years)					2 years 9 months 18 days
Developed technology
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)					10 months 24 days
Customer relationships
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)					3 years 7 months 6 days
Spiff, Inc.
Business Acquisition [Line Items]
Consideration transferred			$ 419
Cash			374
Goodwill			323
Intangible assets			$ 52
Spiff, Inc. \| Developed technology
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)			9 years
Spiff, Inc. \| Customer relationships
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)			5 years
Zoomin Software Ltd.
Business Acquisition [Line Items]
Consideration transferred		$ 374
Cash		344
Goodwill		284
Intangible assets		$ 94
Zoomin Software Ltd. \| Developed technology
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)		3 years
Own Data Company Ltd.
Business Acquisition [Line Items]
Cash		$ 1,931
Goodwill		1,812
Intangible assets		597
Noncontrolling equity investment	$ 172	212
Remeasurement gain		$ 40
Own Data Company Ltd. \| Developed technology
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)		6 years
Own Data Company Ltd. \| Customer relationships
Business Acquisition [Line Items]
Weighted Average Remaining Useful Life (Years)		9 years
Traction on Demand
Business Acquisition [Line Items]
Consideration transferred				$ 340
Cash				$ 302