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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Face (par) amount of the original debt instrument that was repurchased.

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Amount, after accumulated amortization, of debt discount (premium).

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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 month-end amount borrowed under the credit facility during the period.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of long-term debt and lease obligation, including portion classified as current.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Carrying amount of financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

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Debt (Details) - USD ($) $ in Thousands				1 Months Ended		3 Months Ended		6 Months Ended
Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Feb. 01, 2020	Dec. 31, 2019	Apr. 30, 2019	Feb. 28, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jan. 28, 2020	Apr. 01, 2019	Feb. 01, 2019
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net	$ (25,056)		$ (26,840)			$ (25,056)		$ (25,056)
Debt Issuance Costs, Net	(61,197)		(58,075)			(61,197)		(61,197)
Accretion of Purchase Accounting, Fair Value Adjustment, Debt	(188,268)		(195,731)			(188,268)		(188,268)
Long-term Debt and Lease Obligation, Including Current Maturities	9,748,351		9,692,275			9,748,351		9,748,351
Long-term Debt, Current Maturities	(63,029)		(58,049)			(63,029)		(63,029)
Long-term Debt, Excluding Current Maturities	9,685,322		9,634,226			9,685,322		9,685,322
ReceivablesFacilityMaximumLimit	200,000					200,000		200,000
Loss on extinguishment of debt						0	$ 66,911	65,843	$ 88,472
Variable Interest Entity, Primary Beneficiary [Member]
Debt Instrument [Line Items]
Transfers Accounted for as Secured Borrowings, Assets, Carrying Amount	25,000					25,000		25,000
Transfers Accounted for as Secured Borrowings, Assets, Carrying Amount	25,000					25,000		25,000
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Capital Lease Obligations	66,856		74,784			66,856		66,856
First Lien Term B1 Loan [Member] \| Secured Debt
Debt Instrument [Line Items]
Repurchased face amount											$ 500,000
Loss on extinguishment of debt				$ 6,000
2023 Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount	0
Line of Credit Facility, Remaining Borrowing Capacity	$ 400,000					$ 400,000		$ 400,000
Prime Notes \| Secured Debt
Debt Instrument [Line Items]
Interest rate	9.25%					9.25%		9.25%
Long-term debt, gross	$ 0		1,246,000			$ 0		$ 0
Repurchased face amount		$ 1,200,000									$ 1,000,000	$ 300,000
Repayments of Debt		$ 1,300,000
Loss on extinguishment of debt				$ 61,000	$ 22,000
ADT Notes due 2021 [Member] \| Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Interest rate	6.25%					6.25%		6.25%
ADT Notes due 2021 [Member] \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000,000		1,000,000			$ 1,000,000		$ 1,000,000
ADT Notes due 2022 [Member] \| Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Interest rate	3.50%					3.50%		3.50%
ADT Notes due 2022 [Member] \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000,000		1,000,000			$ 1,000,000		$ 1,000,000
ADT Notes due 2023 [Member] \| Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Interest rate	4.125%					4.125%		4.125%
ADT Notes due 2023 [Member] \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 700,000		700,000			$ 700,000		$ 700,000
ADT Notes due 2032 [Member] \| Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Interest rate	4.875%					4.875%		4.875%
ADT Notes due 2032 [Member] \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 728,016		728,016			$ 728,016		$ 728,016
ADT Notes due 2042 [Member] \| Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Interest rate	4.875%					4.875%		4.875%
ADT Notes due 2042 [Member] \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 21,896		21,896			$ 21,896		$ 21,896
First Priority Senior Secured Notes due 2024 [Member] \| Secured Debt
Debt Instrument [Line Items]
Interest rate	5.25%					5.25%		5.25%
Long-term debt, gross	$ 750,000		750,000			$ 750,000		$ 750,000
First Priority Senior Secured Notes due 2026 [Member] \| Secured Debt
Debt Instrument [Line Items]
Interest rate	5.75%					5.75%		5.75%
Long-term debt, gross	$ 1,350,000		1,350,000			$ 1,350,000		$ 1,350,000
First Lien Term Loan due 2026 [Member] [Member] \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 3,086,675		3,102,225			$ 3,086,675		$ 3,086,675
Second Lien Notes Due 2028 \| Secured Debt
Debt Instrument [Line Items]
Interest rate	6.25%					6.25%		6.25%		6.25%
Long-term debt, gross	$ 1,300,000		0			$ 1,300,000		$ 1,300,000
Aggregate principal amount										$ 1,300,000
Receivables Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount	19,000
Line of Credit Facility, Remaining Borrowing Capacity	181,000					$ 181,000		$ 181,000
Debt Instrument, Maturity Date								Mar. 05, 2021
Receivables Facility [Member] \| Variable Interest Entity, Primary Beneficiary [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount	19,000
Receivables Facility [Member] \| Secured Debt
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Month-end Outstanding Amount	$ 19,429		$ 0