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Commitments and Contingencies - Schedule of Expenses Incurred and Amounts Accrued (Details) - Data Breach - USD ($) $ in Millions	12 Months Ended		27 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Jan. 30, 2016
Liabilities
Beginning balance	$ 171	$ 61
Expenses incurred/insurance receivable recorded	39	191
Payments made/received	(130)	(81)
Ending balance	80	171	$ 80
Insurance Receivable
Beginning balance	60	44
Expenses incurred/insurance receivable recorded	0	46	90
Payments made/received	(40)	(30)
Ending balance	$ 20	$ 60	$ 20

X

- Definition

Data Breach, Insurance Receivable, Payments Received

+ References

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- Definition

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- Definition

Loss Contingency Insurance Receivable [Roll Forward]

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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

Amount of payments made reducing loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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