Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 25, 2026	Jan. 26, 2025	Jan. 28, 2024
Unrecognized Tax Benefits [Roll Forward]
Balance at beginning of period	$ 2,861	$ 1,670	$ 1,238
Increases in tax positions for current year	1,959	1,268	616
Increases in tax positions for prior years	57	48	87
Lapse in statute of limitations	(224)	(27)	(19)
Decreases in tax positions for prior years	(157)	(88)	(148)
Settlements	(76)	(10)	(104)
Balance at end of period	$ 4,420	$ 2,861	$ 1,670

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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-Topic 740
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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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