Asset Acquistion, Maximum Transferred Liabilities Incurred

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- Definition

Business Acquisition, Percentage of Purchase Price Paid in Cash

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- Definition

Business Acquisition, Percentage of Purchase Price Paid with Common Shares

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- Definition

Business Combination, Additional Earnout Payment To Be Paid, Maximum

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- Definition

Business Combination, Contingent Consideration, Liability, Deferred

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- Definition

Business, Combination, Fair Value Of Upfront Payment, Net

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- Definition

Business Combination, Liability, Post-Acquisition Services

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- Definition

Business Combination, Potential Earnout Payment

+ References

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- Definition

Business Combination, Potential Earnout Payment for Services

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- Definition

Business Combination, Upfront Payment, Number of Common Shares Transferred

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- Definition

Business Combination, Upfront Payment Transferred

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- Definition

Business Combination, Upfront Payment, Transferred Shares Value

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- Definition

Estimated Incremental Future Minimum Lease Payments

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- Definition

Minimum Number of Towers Retained

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- Definition

Number of Towers To Be Extended Tenancy Term

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- Definition

Payments for Asset Acquisitions

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No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

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

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Business Combinations - Narrative (Details) $ in Millions					3 Months Ended	9 Months Ended
Business Combinations - Narrative (Details) $ in Millions	May 24, 2024 USD ($)	May 01, 2024 USD ($) shares	Apr. 30, 2024 USD ($)	Mar. 09, 2023 USD ($)	Jun. 30, 2025 USD ($) tower_site	Sep. 30, 2024 USD ($)
Ka Ena Corporation
Business Acquisition [Line Items]
Preliminary goodwill from the Ka’ena Acquisition in 2024		$ 781				$ 781
Ka Ena Corporation \| Merger And Unit Purchase Agreement
Business Acquisition [Line Items]
Business acquisition, outstanding (percent)				100.00%
Total consideration transferred				$ 1,350
Business acquisition, cash acquired (percent)				39.00%
Business acquisition, common shares acquired (percent)				61.00%
Ka Ena Corporation \| Merger and Unit Purchase Agreement, Amendment No. 1
Business Acquisition [Line Items]
Total consideration transferred		1,150
Upfront payment transferred		$ 420
Upfront payment, number of common shares transferred (in shares) \| shares		3,264,952
Upfront payment, transferred shares value			$ 536
Fair value of upfront payment, net		$ 956
Fair value of deferred consideration		27
Additional upfront payment to be paid		403
Business combination, potential earnout payment		241
Business combination, contingent consideration liability		183
Business combination, potential earnout payment for services		162
Business combination contingent consideration liability, other long-term liabilities						195
Business combination, liability, post-acquisition services						$ 55
Goodwill expected to be tax deductible		90
Ka Ena Corporation \| Merger and Unit Purchase Agreement, Amendment No. 1 \| Customer Relationships
Business Acquisition [Line Items]
Finite-lived, fair value		$ 545
Weighted average useful life		6 years
Ka Ena Corporation \| Merger and Unit Purchase Agreement, Amendment No. 1 \| Tradenames
Business Acquisition [Line Items]
Finite-lived, fair value		$ 70
Weighted average useful life		8 years
Ka Ena Corporation \| Merger and Unit Purchase Agreement, Amendment No. 1 \| Other Intangible Assets
Business Acquisition [Line Items]
Finite-lived, fair value		$ 125
Weighted average useful life		4 years
UScellular Wireless Assets Operations \| Purchase Agreement
Business Acquisition [Line Items]
Payments for asset acquisition	$ 4,400
Asset acquistion, maximum transferred liabilities incurred	$ 2,000
UScellular Wireless Assets Operations \| Purchase Agreement \| Forecast
Business Acquisition [Line Items]
Lease space agreement term (years)					15 years
Number of towers retained \| tower_site					2,100
Number of towers to be extended tenancy term \| tower_site					600
Estimated incremental future minimum lease payments					$ 1,400