Debt Securities, Available For Sale And Held To Maturity, Allowance For Credit Loss

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- Definition

Debt Securities, Non-Marketable Equity Securities, Change In Present Value, Expense (Reversal)

+ References

No definition available.

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- Definition

Fair Value, Assets and Liabilities, Transfers Between Levels

+ References

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- Definition

Amount of increase (decrease) in allowance for credit loss of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922900-210455

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- Definition

Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), from change in present value of expected cash flows.

+ References

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-Publisher FASB
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- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
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- Definition

Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

+ References

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-Publisher FASB
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- Definition

Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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- Definition

Amount of impairment loss on investment in equity security without readily determinable fair value.

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- 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

No definition available.

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Fair Value Measurements - Narrative (Details) - USD ($)	12 Months Ended
Fair Value Measurements - Narrative (Details) - USD ($)	Jan. 31, 2021	Jan. 26, 2020	Jan. 27, 2019	Jan. 27, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers of financial assets or liabilities between levels		$ 0
Debt Securities, Available-for-sale, Change in Present Value, Expense (Reversal)	$ 313,000
Debt Securities, Available For Sale And Held To Maturity, Allowance For Credit Loss	3,400,000
Non-Marketable Equity Securities Impairment	3,900,000
Investment impairments and credit loss reserves	6,769,000	1,211,000	$ 30,000,000
Equity securities, loss		500,000
Debt Securities, Loss		700,000
Increase in credit loss reserve	$ 2,927,000
Cumulative Effect, Period of Adoption, Adjustment \| Accounting Standards Update 2016-13
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Held-to-maturity, Allowance for Credit Loss		$ 400,000		$ 400,000