Contractual interest rate for funds borrowed, under the debt agreement.

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NOTES PAYABLE AND COMMERCIAL BANK FINANCING - DSG Senior Notes (Details) - USD ($) $ in Millions		3 Months Ended
	Mar. 23, 2020	Mar. 31, 2020	Mar. 31, 2019
Debt Instrument [Line Items]
Gain from extinguishment of debt		$ 2	$ 0
Senior Notes \| DSG 6.625% Notes
Debt Instrument [Line Items]
Redeemed amount	$ 5
Interest rate (as a percent)		6.625%
Consideration	$ 3
Gain from extinguishment of debt		$ 2
Notes balance, net of deferred financing costs		$ 1,781
Senior Notes \| DSG 5.375% Notes
Debt Instrument [Line Items]
Interest rate (as a percent)		5.375%