v3.25.2

Investments - Summary of Marketable Securities (Details) - USD ($) $ in Millions	Jul. 31, 2025	Jan. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 7,092	$ 6,638
Unrealized Gains	33	17
Unrealized Losses	(1)	(4)
Aggregate Fair Value	7,124	6,651
Included in Cash and cash equivalents
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	202	177
Unrealized Gains	0	0
Unrealized Losses	0	0
Aggregate Fair Value	202	177
Included in Marketable securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,890	6,461
Unrealized Gains	33	17
Unrealized Losses	(1)	(4)
Aggregate Fair Value	6,922	6,474
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,050	2,069
Unrealized Gains	6	4
Unrealized Losses	0	(1)
Aggregate Fair Value	2,056	2,072
U.S. agency obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	537	634
Unrealized Gains	1	2
Unrealized Losses	0	0
Aggregate Fair Value	538	636
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,943	3,532
Unrealized Gains	25	11
Unrealized Losses	(1)	(3)
Aggregate Fair Value	3,967	3,540
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	215	294
Unrealized Gains	0	0
Unrealized Losses	0	0
Aggregate Fair Value	215	294
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	305	104
Unrealized Gains	1	0
Unrealized Losses	0	0
Aggregate Fair Value	306	104
Other debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	42	5
Unrealized Gains	0	0
Unrealized Losses	0	0
Aggregate Fair Value	$ 42	$ 5

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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