Fair Value Measurements - Other Fair Value Disclosures (Details) - Unsecured notes - USD ($) $ in Millions	Oct. 31, 2025	Jan. 31, 2025	Nov. 01, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt carrying value (excluding finance lease obligations)	$ 37,514	$ 35,011	$ 34,996
Estimate of fair value \| Fair value (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt fair value (excluding finance lease obligations)	$ 34,968	$ 31,557	$ 31,651

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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+ Details