Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2025

Accounting Policies [Abstract]

Accounts Receivable, Allowance for Credit Loss

The following table presents the activity in the allowance for credit losses for the years ended December 31, 2025, 2024, and 2023:

	Year Ended December 31,
(In millions)	2025		2024		2023
Beginning balance	$	152	$	145	$	133
Acquired balance from Vivint Smart Home	—		—		22
Provision for credit losses	272		314		251
Write-offs	(343)		(363)		(313)
Recoveries collected	46		38		39
Other	19		18		13
Ending balance	$	146	$	152	$	145

Reconciliation of Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents

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.

	Year Ended December 31,
(In millions)	2025		2024		2023
Cash and cash equivalents	$	4,708	$	966	$	541
Funds deposited by counterparties	260		199		84
Restricted cash	30		8		24
Cash and cash equivalents, funds deposited by counterparties and restricted cash shown in the statements of cash flows	$	4,998	$	1,173	$	649

The following table summarizes income taxes paid, net of refunds:

	Year Ended December 31,
(In millions)	2025
U.S. state and local:
Texas	$	22
New York	10
California	7
Pennsylvania	7
Other	14
	$	60
Foreign:
Other	$	7
Total	$	67

	Year Ended December 31,
(In millions)	2024		2023
Income taxes paid, net of refunds	$	182	$	48

Detail of supplemental disclosures of cash flow and non-cash investing and financing information was:

	Year Ended December 31,
(In millions)	2025		2024		2023
Interest paid, net of amount capitalized	$	572	$	626	$	548
Non-cash investing and financing activities:
Decreases to fixed assets for accrued capital expenditures	(66)		(76)		—
Excise tax accrued on share repurchases	11		9		10

Supplemental Statement of Income Disclosures

The Company's depreciation and amortization included in the consolidated statement of operations consisted of the following:

	For the Year Ended December 31,
(In millions)	2025		2024		2023
Amortization of capitalized contract costs related to fulfillment	$	207	$	120	$	37
Amortization of capitalized contract costs related to customer acquisition	303		212		131
Amortization of customer relationships and other intangible assets	612		800		870
Depreciation of property, plant and equipment	284		271		257
Total depreciation and amortization	$	1,406	$	1,403	$	1,295