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Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2024	Apr. 30, 2024	Mar. 31, 2025	Dec. 31, 2025	Oct. 31, 2025	Jul. 31, 2021
Debt Instrument [Line Items]
Total debt principal, excluding finance leases	$ 7,791,903			$ 7,799,208
Plus: Finance lease obligations	69,442			47,765
Unamortized debt discount, net	(12,081)			(30,579)
Unamortized deferred financing costs	(26,990)			(22,949)
Unamortized purchase accounting fair value adjustment and other	(115,201)			(103,811)
Total debt	7,707,073			7,689,634
Less: Current maturities of long-term debt, net of unamortized debt discount	(195,791)			(310,204)
Long-term debt	$ 7,511,282			$ 7,379,430
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR)	Secured Overnight Financing Rate (SOFR)	Secured Overnight Financing Rate (SOFR)	Secured Overnight Financing Rate (SOFR)
First Lien Term Loan B due 2030 | Secured Debt
Debt Instrument [Line Items]
Interest rate	2.00%			2.00%
Long-term debt, gross	$ 1,984,090			$ 1,764,249
First Lien Term Loan B-2 due 2032 | Secured Debt
Debt Instrument [Line Items]
Interest rate	1.75%			1.75%
Long-term debt, gross	$ 0			$ 1,441,989
First Lien Revolving Credit Facility | Secured Debt
Debt Instrument [Line Items]
Interest rate	2.00%			2.00%
Long-term debt, gross	$ 0			$ 0
First Lien Term Loan A due 2030 | Secured Debt
Debt Instrument [Line Items]
Interest rate	1.50%			1.50%
Long-term debt, gross	$ 0			$ 325,000
First Lien Notes due 2026 | Secured Debt
Debt Instrument [Line Items]
Interest rate	5.75%			5.75%
Long-term debt, gross	$ 1,350,000			$ 75,000
First Lien Notes due 2027 | Secured Debt
Debt Instrument [Line Items]
Interest rate	3.375%			3.375%
Long-term debt, gross	$ 1,000,000			$ 1,000,000
First Lien Notes due 2029 | Secured Debt
Debt Instrument [Line Items]
Interest rate	4.125%			4.125%		4.125%
Long-term debt, gross	$ 1,000,000			$ 1,000,000
First Lien Notes due 2033 | Secured Debt
Debt Instrument [Line Items]
Interest rate	5.875%			5.875%	5.875%
Long-term debt, gross	$ 0			$ 1,000,000
Second Lien Notes due 2028 | Secured Debt
Debt Instrument [Line Items]
Interest rate	6.25%			6.25%	6.25%
Long-term debt, gross	$ 1,300,000			$ 0
ADT Notes due 2032 | Notes Payable to Banks
Debt Instrument [Line Items]
Interest rate	4.875%			4.875%
Long-term debt, gross	$ 728,016			$ 728,016
ADT Notes due 2042 | Notes Payable to Banks
Debt Instrument [Line Items]
Interest rate	4.875%			4.875%
Long-term debt, gross	$ 21,896			$ 21,896
2020 Receivables Facility | Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 407,901			$ 443,058
2020 Receivables Facility | Secured Debt | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate				0.95%
2020 Receivables Facility | Secured Debt | Cost Of Fund Rate (COF)
Debt Instrument [Line Items]
Interest rate				0.85%

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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