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Intangible Assets - Narrative (Details) $ in Millions	6 Months Ended		12 Months Ended			39 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) license	Dec. 31, 2020 USD ($)	Dec. 31, 2024 USD ($)
Licenses
Cash paid for intangible assets	$ 8	$ 585
Auction 107
Licenses
Licenses won | license				254
Total winning bid				$ 1,283
FCC upfront payment					$ 30
Cash paid for intangible assets	3		$ 8	$ 36
Auction 107 | Subsequent event
Licenses
Cash paid for intangible assets						$ 185
Auction 107 | UScellular | Other current liabilities
Licenses
Short-term spectrum license liabilities	122		133
Auction 107 | UScellular | Other deferred liabilities and credits
Licenses
Long-term spectrum license liabilities	6		$ 8
Auction 107 | UScellular | Accounts payable
Licenses
Short-term spectrum license liabilities	$ 10

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The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

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