Variable Interest Entities - Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Assets
Cash and cash equivalents	$ 144		$ 150
Accounts receivable	905		900
Inventory, net	179		199
Other current assets	21		36
Licenses	4,579		4,693
Property, plant and equipment, net	2,502		2,576
Operating lease right-of-use assets	926		915
Other assets and deferred charges	643		690
Total assets	10,449	[1]	10,750	[1]	$ 11,119
Liabilities
Current liabilities	884		901
Long-term operating lease liabilities	822		831
Other deferred liabilities and credits	570		565
Consolidated Variable Interest Entities
Assets
Cash and cash equivalents	51		24
Accounts receivable	641		633
Inventory, net	5		4
Other current assets	16		30
Licenses	641		641
Property, plant and equipment, net	131		143
Operating lease right-of-use assets	50		48
Other assets and deferred charges	447		494
Total assets	1,982		2,017
Liabilities
Current liabilities	37		37
Long-term operating lease liabilities	43		42
Other deferred liabilities and credits	30		29
Liabilities	$ 110		$ 108

[1] The consolidated total assets as of December 31, 2024 and 2023, include assets held by consolidated variable interest entities (VIEs) of $1,011 million and $1,217 million, respectively, which are not available to be used to settle the obligations of UScellular. The consolidated total liabilities as of December 31, 2024 and 2023, include certain liabilities of consolidated VIEs of $27 million and $26 million, respectively, for which the creditors of the VIEs have no recourse to the general credit of UScellular. See Note 15 — Variable Interest Entities for additional information.