Accounting for Share Based Payment.

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The amount of unrecognized share-based compensation cost expected to be recognized within the next twelve months following the date of the latest balance sheet presented in the financial statements.

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The amount of unrecognized share-based compensation cost expected to be recognized after the second fiscal year following the balance sheet date.

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The amount of unrecognized share-based compensation cost expected to be recognized in year two following the date of the latest balance sheet presented in the financial statements.

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The number of awards that could vest and become issuable if performance conditions are met under the provisions of the agreement.

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The percentage of awards that could vest and become issuable if performance conditions are met under the provisions of the agreement.

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- Definition

Contractual term, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate award value per grantee, which is used to determine the number of deferred stock units granted.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Value

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- Definition

The number of vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under active equity-based compensation plans.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Percentage of vesting of award under share-based payment arrangement.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Accounting for Share-Based Payments - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Accounting for Share-Based Payments
Share-based payment expense	$ 98,000,000	$ 74,000,000	$ 99,000,000
Tax benefit related to share-based payment expense	15,000,000	15,000,000	31,000,000
Unrecognized share-based payment expense	169,000,000
Unrecognized share-based payment expense to be recognized in next twelve months	83,000,000
Unrecognized share-based payment expense to be recognized in year two	71,000,000
Unrecognized share-based payment expense to be recognized thereafter	$ 15,000,000
Weighted-average recognition period	2 years 8 months 12 days
Stock Incentive Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under all plans (in shares)	199,000,000.0
Shares authorized for grant under active plans (in shares)	80,000,000.0
Remaining shares available for grant under active plans (in shares)	30,600,000
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under active plans (in shares)	70,000,000.0
Remaining shares available for grant under active plans (in shares)	20,200,000
Accounting for Share-Based Payments
Share-based payment expense	$ 13,000,000	$ 13,000,000	$ 13,000,000
Purchase price of shares, percentage	85.00%
Share-based payment expense, percentage	15.00%
Shares issued (in shares)	800,000	900,000	1,100,000
Employee Stock Option
Accounting for Share-Based Payments
Award vesting period	3 years
Total intrinsic value of options exercised	$ 44,000,000	$ 36,000,000	$ 77,000,000
Employee Stock Option \| Minimum
Accounting for Share-Based Payments
Contractual term	7 years
Employee Stock Option \| Maximum
Accounting for Share-Based Payments
Contractual term	10 years
Restricted Stock Awards
Accounting for Share-Based Payments
Award vesting period	3 years
Weighted-average grant-date fair value of awards granted in the period (in dollars per share)	$ 109.04	$ 86.99	$ 82.41
Total fair value of awards vested	$ 64,000,000	$ 85,000,000	$ 71,000,000
Awards granted (in shares)	1,136,000
Deferred Stock Units
Accounting for Share-Based Payments
Weighted-average grant-date fair value of awards granted in the period (in dollars per share)	$ 93.28	$ 95.83	$ 80.22
Total fair value of awards vested	$ 2,000,000	$ 2,000,000	$ 2,000,000
Annual award amount	$ 175,000
Award amount of additional units granted, value			$ 140,000
Awards granted (in shares)	22,500
Vested outstanding awards (in shares)	100,000
Performance Share Units
Accounting for Share-Based Payments
Award vesting period	3 years
Weighted-average grant-date fair value of awards granted in the period (in dollars per share)	$ 115.93	$ 82.22	$ 91.50
Total fair value of awards vested	$ 19,000,000	$ 13,000,000	$ 31,000,000
Awards granted (in shares)	249,000
Performance Share Units \| Minimum
Accounting for Share-Based Payments
Percentage of awards that could vest at end of vesting period	0.00%
Performance Share Units \| Maximum
Accounting for Share-Based Payments
Percentage of awards that could vest at end of vesting period	200.00%
RONCAA
Accounting for Share-Based Payments
Number of units that could vest (in shares)	700,000
ROIC
Accounting for Share-Based Payments
Number of units that could vest (in shares)	400,000
Restricted Stock Units
Accounting for Share-Based Payments
Award vesting period	3 years
Weighted-average grant-date fair value of awards granted in the period (in dollars per share)	$ 103.40	$ 80.32	$ 75.44
Total fair value of awards vested	$ 9,000,000	$ 7,000,000	$ 6,000,000
Awards granted (in shares)	452,000
End of a two-year period \| Restricted Stock Awards
Accounting for Share-Based Payments
Award vesting period	2 years
Vesting percentage	50.00%
End of a two-year period \| Restricted Stock Units
Accounting for Share-Based Payments
Award vesting period	2 years
Vesting percentage	50.00%
End of three-year period \| Restricted Stock Awards
Accounting for Share-Based Payments
Award vesting period	3 years
Vesting percentage	50.00%
End of three-year period \| Restricted Stock Units
Accounting for Share-Based Payments
Award vesting period	3 years
Vesting percentage	50.00%