XML 80 R49.htm IDEA: XBRL DOCUMENT
v3.25.4

Description of Business and Summary of Significant Accounting Policies - Subscriber System Assets and Depreciation Amortization (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Accounting Policies [Abstract] |  |  |
Gross carrying amount | $ 7,145,662 | $ 6,878,490 |
Accumulated depreciation | (4,354,783) | (3,897,329) |
Subscriber system assets, net | 2,790,879 | 2,981,161 |
Depreciation of subscriber system assets | 549,957 | 557,226 | $ 545,041
Amortization of deferred subscriber acquisition costs | $ 252,553 | $ 224,647 | $ 188,222

X
- Definition Aggregate accumulated depreciation of long-lived security system assets. + References No definition available. + Details
Name: | adt_SubscriberSystemAssetsAccumulatedDepreciation
Namespace Prefix: | adt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Subscriber System Assets, Amortization Expense + References No definition available. + Details
Name: | adt_SubscriberSystemAssetsAmortizationExpense
Namespace Prefix: | adt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Subscriber System Assets, Depreciation Expense + References No definition available. + Details
Name: | adt_SubscriberSystemAssetsDepreciationExpense
Namespace Prefix: | adt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gross amount of long-lived, company owned, security system assets. + References No definition available. + Details
Name: | adt_SubscriberSystemAssetsGross
Namespace Prefix: | adt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Subscriber System Assets Net + References No definition available. + Details
Name: | adt_SubscriberSystemAssetsNet
Namespace Prefix: | adt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration