Shareholders' Equity - Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan - USD ($) shares in Millions, $ in Millions	12 Months Ended
Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Shareholders Equity
Purchase price of common stock as a percentage of closing market price	85.00%
Maximum
Shareholders Equity
Common stock authorized for issuance (in shares)	1
Stock compensation expense (in dollars)	$ 1	$ 1	$ 1

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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

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

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