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Basis of Presentation - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Basis of Presentation [Line Items]
Software license costs incurred but not yet paid	$ 139
TDS | UScellular
Basis of Presentation [Line Items]
Ownership percentage	83.00%

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

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- Definition

Future cash outflow for software license agreements incurred but not yet paid.

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- Details

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