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- Definition

Intangible Asset, Closing Period After Regulatory Approval

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Intangible Asset, Payment Period After Closing

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No definition available.

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- Definition

License Purchase Agreement, Minimum Period

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No definition available.

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- Definition

Number of License Tranches

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No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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- Definition

Amount of contingent consideration recognized as part of consideration transferred in asset acquisition.

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- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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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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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.

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Goodwill, Spectrum License Transactions and Other Intangible Assets - Narrative (Details) $ in Millions								3 Months Ended
	Jan. 13, 2025 USD ($)	Dec. 06, 2024 USD ($)	Aug. 05, 2024 USD ($)	Sep. 12, 2023 USD ($)	Aug. 25, 2023 USD ($)	Mar. 30, 2023 USD ($) tranche	Aug. 08, 2022 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Goodwill [Line Items]
Spectrum licenses									$ 98,733		$ 100,558
Amortization expense for intangible assets									229	$ 211
N77 License Co LLC \| Spectrum Licenses
Goodwill [Line Items]
Spectrum licenses									1,800
Licensing Agreements \| Spectrum Exchange Transactions
Goodwill [Line Items]
Associated gain recognized									12	25
Spectrum licenses held for sale									243
Licensing Agreements \| Non-Cash Spectrum License Acquisitions \| Spectrum Exchange Transactions
Goodwill [Line Items]
Consideration transferred, exchange of licenses									$ 172	$ 101
Licensing Agreements \| Channel 51 License Co, LLC and LB License Co, LLC
Goodwill [Line Items]
Total cash consideration					$ 3,500		$ 3,500
Number of tranches licenses \| tranche						2
Consideration transferred		$ 541	$ 2,400
Closing period after regulatory approval						180 days
Payment period after closing						40 days
Licensing Agreements \| Channel 51 License Co, LLC and LB License Co, LLC \| Spectrum Licenses
Goodwill [Line Items]
Total cash consideration						$ 3,500
Licensing Agreements \| Channel 51 License Co, LLC and LB License Co, LLC \| Second Tranche
Goodwill [Line Items]
Total cash consideration					$ 1,100
Licensing Agreements \| Channel 51 License Co, LLC and LB License Co, LLC \| Second Tranche \| Forecast
Goodwill [Line Items]
Total cash consideration								$ 604
Licensing Agreements \| Comcast Corporation
Goodwill [Line Items]
License purchase agreement, minimum period before termination allowed				2 years
Licensing Agreements \| Comcast Corporation \| Minimum
Goodwill [Line Items]
Total cash consideration	$ 1,200			$ 1,200
Licensing Agreements \| Comcast Corporation \| Maximum
Goodwill [Line Items]
Total cash consideration	$ 3,400			3,300
Optional Sale Licenses \| Comcast Corporation \| Minimum
Goodwill [Line Items]
Total cash consideration				$ 2,100