CAPITALIZATION - Additional Information (Narrative) (Details)			12 Months Ended
	Feb. 24, 2020 USD ($)	Dec. 28, 2018 USD ($) shares	Jan. 29, 2021 USD ($) votes $ / shares shares	Jan. 31, 2020 USD ($) shares	Feb. 01, 2019 USD ($) shares	Jul. 15, 2020 USD ($)	May 29, 2019 USD ($)	Aug. 31, 2017 USD ($)
Class of Stock [Line Items]
Preferred stock, authorized (in shares)			1,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01
Preferred stock, shares issued (in shares)			0
Common stock, shares outstanding (in shares)			753,000,000	743,000,000
Stock repurchases, remaining authorized amount | $			$ 1,100,000,000
Aggregate purchase price | $			$ 240,000,000	$ 2,000,000	$ 47,000,000
Class V Common Stock
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			0	0
Shares repurchased (in shares)					199,000,000
DHI Group
Class of Stock [Line Items]
Shares repurchased (in shares)					1,000,000
Shares repurchased (in shares)					127,000,000
Aggregate purchase price | $					$ 47,000,000
Class A common stock
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			385,000,000	385,000,000
Number of voting interests per share | votes			10
Conversion of stock, shares issued (in shares)				35,822,123
Stock repurchases, authorized amount | $						$ 1,000,000,000.0
Shares repurchased (in shares)			6,900,000	7,700,000	300,000
Tax withholding | $			$ 413,000,000	$ 521,000,000	$ 373,000,000
Aggregate purchase price | $			$ 945,000,000	1,300,000,000	$ 42,000,000
Class A common stock | Accumulated Deficit
Class of Stock [Line Items]
Aggregate purchase price | $				$ 200,000,000
Class B
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			102,000,000	102,000,000
Number of voting interests per share | votes			10
Conversion of stock, shares issued (in shares)				35,301,641
Class C
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			266,000,000	256,000,000
Number of voting interests per share | votes			1
Conversion of stock, shares issued (in shares)			72,727
Stock repurchases, authorized amount | $	$ 1,000,000,000.0
Repurchase program expiration period	24 months
Stock repurchases, remaining authorized amount | $			$ 760,000,000
Shares repurchased (in shares)			6,000,000
Aggregate purchase price | $			$ 240,000,000
Class D
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			0	0
Number of voting interests per share | votes			1
Class V Common Stock Owners | Class V Common Stock
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			0	0
Merger Agreement
Class of Stock [Line Items]
Cash payment | $		$ 14,000,000,000.0
Shares issued (in shares)		149,387,617
Equity issued in acquisition | $		$ 6,900,000,000
January 2017 and August 2017 Authorizations | Class A common stock
Class of Stock [Line Items]
Stock repurchases, authorized amount | $							$ 1,500,000,000	$ 1,000,000,000.0