v3.25.2

Investments - Schedule of Marketable Securities (Details) - USD ($) $ in Millions	Jul. 31, 2025	Jan. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 5,009	$ 5,215
Unrealized Gains	12	9
Unrealized Losses	(14)	(40)
Fair Value	5,007	5,184
Corporate notes and obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,671	2,574
Unrealized Gains	8	6
Unrealized Losses	(6)	(23)
Fair Value	2,673	2,557
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	527	546
Unrealized Gains	1	0
Unrealized Losses	(2)	(4)
Fair Value	526	542
Mortgage-backed obligations
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	145	128
Unrealized Gains	0	0
Unrealized Losses	(4)	(6)
Fair Value	141	122
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,190	1,218
Unrealized Gains	3	3
Unrealized Losses	(1)	(4)
Fair Value	1,192	1,217
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	68	108
Unrealized Gains	0	0
Unrealized Losses	0	(1)
Fair Value	68	107
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	255	506
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	255	506
Covered bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	20	29
Unrealized Gains	0	0
Unrealized Losses	(1)	(2)
Fair Value	19	27
Other
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	133	106
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	$ 133	$ 106

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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