Earnings Per Share And Shareholders' Equity (Dividends) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
Oct. 31, 2020	Aug. 01, 2020	May 02, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Oct. 31, 2020	Nov. 02, 2019
Earnings Per Share And Shareholders' Equity [Abstract]
Ordinary Dividends	$ 0	$ 0	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 0.90
Payments of Dividends	$ 0	$ 0	$ 83	$ 83	$ 83	$ 83	$ 83	$ 249

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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