Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

DEBT - Outstanding Debt Narrative (Details) - USD ($) $ in Millions	Apr. 29, 2022	Jan. 28, 2022	Dec. 13, 2021	Jun. 30, 2021	Apr. 09, 2020	Mar. 20, 2019	Jun. 22, 2016	Jun. 01, 2016
Debt Instrument [Line Items]
Total DFS debt	$ 27,397	$ 27,235
Senior Notes
Debt Instrument [Line Items]
Total DFS debt	16,300
Unsecured Debt
Debt Instrument [Line Items]
Debt, stated amount					$ 2,300	$ 4,500	$ 3,300	$ 20,000
Senior Notes
Debt Instrument [Line Items]
Debt, stated amount			$ 2,300
Secured Debt \| Senior Notes
Debt Instrument [Line Items]
Debt, stated amount				$ 18,400
Total DFS debt	$ 100