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Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2024
Accounting Policies [Abstract]  
Other Balance Sheet Information
The following table presents the accumulated depreciation included in property, plant and equipment, net and accumulated amortization included in customer relationships, net and other intangible assets, net:
(In millions)March 31, 2024December 31, 2023
Property, plant and equipment accumulated depreciation $1,352 $1,295 
Customer relationships and other intangible assets accumulated amortization 3,113 2,994 
Activity in Allowance for Credit Losses
The following table represents the activity in the allowance for credit losses for the three months ended March 31, 2024 and 2023:
Three months ended March 31,
(In millions)20242023
Beginning balance$145 $133 
Acquired balance from Vivint Smart Home— 22 
Provision for credit losses75 35 
Write-offs(92)(78)
Recoveries collected10 9 
Other2 — 
Ending balance$140 $121 
Reconciliation of Cash and Cash Equivalents, Restricted Cash and Funds Deposited by Counterparties
The following table provides a reconciliation of cash and cash equivalents, restricted cash and funds deposited by counterparties reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the statements of cash flows:
(In millions)March 31, 2024December 31, 2023
Cash and cash equivalents
$278 $541 
Funds deposited by counterparties
241 84 
Restricted cash
15 24 
Cash and cash equivalents, funds deposited by counterparties and restricted cash shown in the statement of cash flows
$534 $649