Income Taxes Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Reconciliation of changes in unrecognized tax benefits
Balance at beginning of period	$ 279	$ 374	$ 469
Gross increases related to prior period tax positions	4	19	11
Gross decreases related to prior period tax positions	(12)	(126)	(144)
Gross increases related to current period tax positions	36	29	55
Settlements with taxing authorities	(1)	(12)	(12)
Lapse of statute of limitations	(6)	(5)	(5)
Balance at end of period	300	279	374
Unrecognized tax benefits that would impact the effective tax rate if recognized	282	263	346
Interest expense recognized as component of income tax expense	10	10	9
Accrued interest in income tax expense	53	42	61
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 0	$ 0	$ 1

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.

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Amount of decrease 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 settlements with taxing authorities.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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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 interest expense accrued for an underpayment of income taxes.

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

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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