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Acquisitions - Additional Information (Details) shares in Thousands				12 Months Ended
	May 20, 2024 USD ($)	Mar. 15, 2024 USD ($)	Feb. 20, 2024 USD ($)	Jan. 31, 2025 USD ($)	Jan. 31, 2024 USD ($) businessCombination	Jan. 31, 2023 USD ($) businessCombination shares
Business Acquisition [Line Items]
Fair value of common stock issued related to business combination (See Note 6)				$ 0	$ 0	$ 10,000,000
Stock-based compensation				$ 686,000,000	703,000,000	660,000,000
Aether
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	100.00%
Payments to acquire businesses	$ 131,000,000
Business combination, consideration transferred, other	122,000,000
Goodwill deductible for tax purposes	0
Aether \| Prepaid Expenses and Other Current Assets and Long-Term Other Assets
Business Acquisition [Line Items]
Share based compensation expense, restricted stock units	$ 9,000,000
PIX
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		100.00%
Payments to acquire businesses		$ 266,000,000
Goodwill deductible for tax purposes		$ 185,000,000
Payapps
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired			100.00%
Payments to acquire businesses			$ 387,000,000
Business combination, consideration transferred, other			381,000,000
Goodwill deductible for tax purposes			159,000,000
Payapps \| Prepaid Expenses and Other Current Assets and Long-Term Other Assets
Business Acquisition [Line Items]
Share based compensation expense, restricted stock units			$ 6,000,000
Fiscal 2024 Acquisition
Business Acquisition [Line Items]
Payments to acquire businesses					85,000,000
Business combination, consideration transferred, other					71,000,000
Goodwill deductible for tax purposes					$ 35,000,000
Number of businesses combinations \| businessCombination					3
Fiscal 2023 Acquisition
Business Acquisition [Line Items]
Payments to acquire businesses						96,000,000
Business combination, consideration transferred, other						97,000,000
Share based compensation expense, restricted stock units						5,000,000
Goodwill deductible for tax purposes						$ 0
Number of businesses combinations \| businessCombination						2
Consideration transferred						$ 114,000,000
Fair value of common stock issued related to business combination (See Note 6)						10,000,000
Stock-based compensation						2,000,000
Fiscal 2023 Acquisition \| Certain Employees of Acquiree
Business Acquisition [Line Items]
Fair value of common stock issued related to business combination (See Note 6)						$ 5,000,000
Fiscal 2023 Acquisition \| Restricted Stock
Business Acquisition [Line Items]
Shares issued in period (in shares) \| shares						40
Fiscal 2023 Acquisition \| Prepaid Expenses and Other Current Assets and Long-Term Other Assets
Business Acquisition [Line Items]
Share based compensation expense, restricted stock units						$ 10,000,000