Debt Instrument, Covenant, First Lien Leverage Ratio Test, Borrowings Exceed Total Commitments, Percent

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- Definition

Debt Instrument, Covenant, Required Prepayment, First Lien Leverage Ratio

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Debt Instrument, Prepayment Requirement, Required Prepayment, Percent Of Excess Cash Flow

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Debt Instrument, Quarterly Aggregate Payment, Percent

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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Fair value amount of debt instrument that was repurchased.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt discount.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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NOTES PAYABLE AND COMMERCIAL BANK FINANCING - DSG Bank Credit Agreement and Notes (Details)					3 Months Ended	12 Months Ended
	Jun. 10, 2020 USD ($)	Mar. 17, 2020 USD ($)	Aug. 23, 2019 USD ($)	Aug. 02, 2019 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Percent of borrowings exceeding total commitments						35.00%
Gain (loss) on extinguishment of debt						$ (10,000,000)	$ (10,000,000)	$ 0
DSG Revolving Credit Facility
Debt Instrument [Line Items]
Debt term			5 years
Required prepayment, first lien leverage ratio						6.25
Maximum borrowing capacity			$ 650,000,000
Percent of borrowings exceeding total commitments			35.00%
DSG Letters of Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 50,000,000
Amount drawn from credit facility		$ 225,000,000
DSG Swingline Loans Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 50,000,000
Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Debt term			7 years
Aggregate principal amount			$ 3,300,000,000
Unamortized debt discount			$ 17,000,000
Quarterly payment, percent			1.00%
Notes \| 5.375% Secured Notes due 2026
Debt Instrument [Line Items]
Aggregate principal amount				$ 3,050,000,000
Interest rate				5.375%		5.375%
Notes \| 5.375% Secured Notes due 2026 \| RSN
Debt Instrument [Line Items]
Interest rate				5.375%
Notes \| 6.625% Unsecured Notes due 2027
Debt Instrument [Line Items]
Aggregate principal amount	$ 31,000,000			$ 1,825,000,000
Interest rate					6.625%	6.625%
Amount extinguished	66,500,000				$ 15,000,000
Consideration for debt	$ 10,000,000				$ 10,000,000
Gain (loss) on extinguishment of debt						$ 5,000,000
Notes \| 6.625% Unsecured Notes due 2027 \| RSN
Debt Instrument [Line Items]
Interest rate				6.625%
Notes \| DSG 12.750% Secured Notes
Debt Instrument [Line Items]
Interest rate						12.75%
LIBOR \| DSG Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate			3.00%
LIBOR \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Basis spread on variable rate			3.25%
Prepayment Requirement One \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, percent of excess cash flow			50.00%
Prepayment Requirement Two \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, percent of excess cash flow			25.00%
Prepayment Requirement Three \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, percent of excess cash flow			0.00%
Minimum \| Prepayment Requirement One \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, first lien leverage ratio			3.75
Minimum \| Prepayment Requirement Two \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, first lien leverage ratio			3.25
Maximum \| Prepayment Requirement Two \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, first lien leverage ratio			3.75
Maximum \| Prepayment Requirement Three \| Term Loan \| DSG Term Loan
Debt Instrument [Line Items]
Required prepayment, first lien leverage ratio			3.25
Debt Instrument, Redemption, Period One \| Notes \| 5.375% Secured Notes due 2026
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				102.688%
Debt Instrument, Redemption, Period One \| Notes \| DSG Notes
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				100.00%
Percentage of principal amount redeemed				40.00%
Debt Instrument, Redemption, Period One \| Notes \| 6.625% Unsecured Notes due 2027
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				103.313%
Debt Instrument, Redemption, Period One \| Notes \| DSG 12.750% Secured Notes
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)						102.688%
Debt Instrument, Redemption, Period Two \| Notes \| 5.375% Secured Notes due 2026
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				101.344%
Debt Instrument, Redemption, Period Two \| Notes \| 6.625% Unsecured Notes due 2027
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				101.656%
Debt Instrument, Redemption, Period Two \| Notes \| DSG 12.750% Secured Notes
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)						101.344%
Debt Instrument, Redemption, Period Three \| Notes \| 5.375% Secured Notes due 2026
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				100.00%
Debt Instrument, Redemption, Period Three \| Notes \| 6.625% Unsecured Notes due 2027
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)				100.00%
Debt Instrument, Redemption, Period Three \| Notes \| DSG 12.750% Secured Notes
Debt Instrument [Line Items]
Debt instrument, redemption price (as a percent)						100.00%