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Amount of transactions with related party during the financial reporting period.

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RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($) $ in Millions		1 Months Ended		6 Months Ended
	Jun. 04, 2025	May 31, 2026	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Jul. 02, 2026	Dec. 31, 2025
State Farm Fire & Casualty Company \| Subsequent Event
Related Party Transaction [Line Items]
Common stock, shares authorized (in shares)						133,000,000
Common Stock
Related Party Transaction [Line Items]
Common stock, shares authorized (in shares)				3,999,000,000			3,999,000,000
ADT \| Common Stock \| Apollo
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	25.00%
Fleet Management Agreement
Related Party Transaction [Line Items]
Amounts of transaction				$ 13
Apollo \| Related Party \| Term Loan A Facility
Related Party Transaction [Line Items]
Amounts of transaction				$ 0	$ 0
Apollo \| Related Party \| May 2026 Offering
Related Party Transaction [Line Items]
Shares issued in public offering (in shares)		102,000,000
Apollo \| Related Party \| March 2025 Offering
Related Party Transaction [Line Items]
Shares issued in public offering (in shares)			80,500,000
Apollo \| Related Party \| June 2025 Apollo Sale
Related Party Transaction [Line Items]
Shares issued in public offering (in shares)	45,000,000