Subsequent Events - Additional Information (Details) - San Bernardino [Member] - E-commerce Fulfillment and Distribution Centers [Member] - USD ($) $ in Millions		3 Months Ended
May 22, 2020	Aug. 01, 2020
Forecast [Member]
Subsequent Event [Line Items]
Sale leaseback transaction, gain recognized		$ 127
Subsequent Event [Member]
Subsequent Event [Line Items]
Sale leaseback transaction date	May 22, 2020
Sale leaseback transaction, cash generated	$ 195

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

Name:	us-gaap_SaleAndLeasebackTransactionGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration