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Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Other Income and Expenses [Abstract]
Interest income	$ 88	$ 88	$ 180	$ 181
Interest expense	(29)	(28)	(57)	(57)
Other	(3)	(3)	(3)	(8)
Total other income, net	$ 56	$ 57	$ 120	$ 116

X

- Definition

Amount of interest expense classified as nonoperating.

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