Disposal Group, Including Discontinued Operation, Liabilities, Commercial Agreements

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Disposal Group, Including Discontinued Operation, Liabilities, Contractual Credits

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Disposal Group, Including Discontinued Operation, Liabilities, Contractual Credits And Commercial Agreements

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Disposal Group, Including Discontinued Operation, Potential Future Cost Obligations

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Indefeasible Right to Use (IRU), Contract Term

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Amount classified as assets attributable to disposal group held for sale or disposed of.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount classified as property, plant, and equipment attributable to disposal group held for sale or disposed of.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Divestiture and Acquisition - Additional Information (Details) $ in Millions			9 Months Ended
	Jul. 01, 2026 USD ($)	Feb. 02, 2026 USD ($) state	Sep. 30, 2026 USD ($)
Disposal Group, Including Discontinued Operations [Line Items]
IRU term		20 years
Alkira, Inc.
Disposal Group, Including Discontinued Operations [Line Items]
Business Combination, Goodwill, Expected Tax Deductible, Amount	$ 0
Alkira, Inc. \| Level 3 Communications, LLC
Disposal Group, Including Discontinued Operations [Line Items]
Cash consideration	$ 485
Disposed of by sale \| Mass Markets Fiber-to-the Home Business
Disposal Group, Including Discontinued Operations [Line Items]
Number of states in which the business is conducted \| state		11
Cash consideration of planned divestiture		$ 5,720
Pre-tax gain on the disposal			$ 569
Contractual credits and commercial agreements liabilities		729
Commercial agreements		497
Contractual credits		232
Potential future cost obligations		36
Net assets		4,400
Property, plant and equipment, accumulated depreciation		2,900
Goodwill		1,300
Other net assets		$ 186