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Commitments and Contingencies (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Loss Contingency, Estimate [Abstract]
Accrual for legal proceedings and unasserted claims	$ 0	$ 0
UScellular
Loss Contingency, Estimate [Abstract]
FCC License Auction, Percent of Bid Credit in Each Auction	25.00%

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- Definition

FCC License Auction, Percent of Bid Credit in Each Auction

+ References

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

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