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Contingencies (Narrative) (Details) - item		2 Months Ended
	Nov. 04, 2021	Oct. 26, 2021
Violations of the federal securities laws [Member]
Loss Contingencies [Line Items]
Putative class action lawsuits		4
Shareholder derivative actions [Member]
Loss Contingencies [Line Items]
Putative class action lawsuits	4
Shareholder derivative actions U.S. District Court [Member]
Loss Contingencies [Line Items]
Putative class action lawsuits	2
Shareholder derivative actions Texas Court [Member]
Loss Contingencies [Line Items]
Putative class action lawsuits	1
Shareholder derivative actions Delware Court [Member]
Loss Contingencies [Line Items]
Putative class action lawsuits	1

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
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-URI https://asc.fasb.org//1943274/2147483076/450-20-50-4

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