Intangible Assets Acquired Through Business Combinations and Goodwill - Schedule of Goodwill (Details) $ in Millions	3 Months Ended
Apr. 30, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 51,283
Adjustments	(2)
Goodwill, ending balance	$ 51,281

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details