Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details

- 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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+ Details

Intangible Assets and Goodwill - Intangible Assets Narrative (Details) Hz in Millions, $ in Millions		3 Months Ended		9 Months Ended
	Nov. 05, 2025 Hz	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($)	Sep. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Sep. 07, 2025 Hz
Intangible Asset, Goodwill and Other [Abstract]
Amortization expense associated with finite-lived intangible assets		$ 293	$ 219	$ 519	$ 642
Indefinite-lived intangible assets		21		21		$ 11
Intangible Asset, Finite-Lived [Line Items]
License purchase agreement, spectrum frequency \| Hz	15						50
Spectrum Business Trust 2025-1
Intangible Asset, Finite-Lived [Line Items]
Loan forgiveness interval	6 months
Prepaid assets		$ 856		$ 856