v3.25.1
Business Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]      
Total operating revenues $ 1,154 $ 1,262  
Selling, general and administrative 425 424  
Expenses related to strategic alternatives review (included in Selling, general and administrative) 16 11  
Income (loss) before income taxes 20 58  
Depreciation, amortization and accretion (234) (234)  
Loss on asset disposals, net (4) (7)  
Gain on sale of business and other exit costs, net 1 0  
Gain on license sales and exchanges, net 1 1  
Equity in earnings of unconsolidated entities 37 42  
Interest and dividend income 6 5  
Interest expense (61) (57)  
Investments in unconsolidated entities 527 526 $ 500
Total assets 13,536 [1] 13,866 $ 13,682 [1]
Capital expenditures 112 219  
Service      
Segment Reporting Information [Line Items]      
Total operating revenues 997 1,044  
Cost of goods and services 276 298  
Equipment and product sales      
Segment Reporting Information [Line Items]      
Total operating revenues 157 218  
Cost of goods and services 182 233  
All Other      
Segment Reporting Information [Line Items]      
Total operating revenues 7 47  
Income (loss) before income taxes (25) (25)  
Depreciation, amortization and accretion 0 (4)  
Loss on asset disposals, net 0 1  
Gain on sale of business and other exit costs, net 1    
Gain on license sales and exchanges, net 0 0  
Equity in earnings of unconsolidated entities 36 42  
Interest and dividend income 3 2  
Interest expense 38 41  
Investments in unconsolidated entities 44 40  
Total assets 265 270  
Capital expenditures 0 1  
UScellular Total      
Segment Reporting Information [Line Items]      
Investments in unconsolidated entities 479 482  
Total assets 10,365 10,704  
Wireless | Operating segment      
Segment Reporting Information [Line Items]      
Total operating revenues 864 925  
Selling, general and administrative 322 324  
Expenses related to strategic alternatives review (included in Selling, general and administrative) (9) (7)  
Other segment items 0 0  
Adjusted EBITDA 182 195  
Depreciation, amortization and accretion (152) (154)  
Loss on asset disposals, net (2) (6)  
Gain on sale of business and other exit costs, net 0    
Gain on license sales and exchanges, net 1 1  
Capital expenditures 51 127  
Wireless | Operating segment | Service      
Segment Reporting Information [Line Items]      
Cost of goods and services 191 197  
Wireless | Operating segment | Equipment and product sales      
Segment Reporting Information [Line Items]      
Cost of goods and services 178 216  
Wireless | Intersegment Revenues      
Segment Reporting Information [Line Items]      
Total operating revenues 0 0  
Wireless | Operating Segments Excluding Intersegment Elimination      
Segment Reporting Information [Line Items]      
Total operating revenues 864 925  
Towers | Operating segment      
Segment Reporting Information [Line Items]      
Total operating revenues 27 25  
Selling, general and administrative 10 7  
Expenses related to strategic alternatives review (included in Selling, general and administrative) (1) 0  
Other segment items 0 0  
Adjusted EBITDA 33 33  
Depreciation, amortization and accretion (11) (11)  
Loss on asset disposals, net 0 0  
Gain on sale of business and other exit costs, net 0    
Gain on license sales and exchanges, net 0 0  
Capital expenditures 2 4  
Towers | Operating segment | Service      
Segment Reporting Information [Line Items]      
Cost of goods and services 19 18  
Towers | Operating segment | Equipment and product sales      
Segment Reporting Information [Line Items]      
Cost of goods and services 0 0  
Towers | Intersegment Revenues      
Segment Reporting Information [Line Items]      
Total operating revenues 34 33  
Towers | Operating Segments Excluding Intersegment Elimination      
Segment Reporting Information [Line Items]      
Total operating revenues 61 58  
UScellular Total      
Segment Reporting Information [Line Items]      
Total operating revenues 891 950  
TDS Telecom      
Segment Reporting Information [Line Items]      
Total operating revenues 257 266  
TDS Telecom | Operating segment      
Segment Reporting Information [Line Items]      
Total operating revenues 256 265  
Selling, general and administrative 83 75  
Expenses related to strategic alternatives review (included in Selling, general and administrative) 0 0  
Other segment items (3) (2)  
Adjusted EBITDA 76 95  
Depreciation, amortization and accretion (71) (65)  
Loss on asset disposals, net (2) (2)  
Gain on sale of business and other exit costs, net 0    
Gain on license sales and exchanges, net 0 0  
Investments in unconsolidated entities 4 4  
Total assets 2,906 2,892  
Capital expenditures 59 87  
TDS Telecom | Operating segment | Service      
Segment Reporting Information [Line Items]      
Cost of goods and services 101 98  
TDS Telecom | Operating segment | Equipment and product sales      
Segment Reporting Information [Line Items]      
Cost of goods and services 0 0  
TDS Telecom | Intersegment Revenues      
Segment Reporting Information [Line Items]      
Total operating revenues 1 1  
TDS Telecom | Operating Segments Excluding Intersegment Elimination      
Segment Reporting Information [Line Items]      
Total operating revenues 257 266  
Total      
Segment Reporting Information [Line Items]      
Total operating revenues 1,147 1,215  
Expenses related to strategic alternatives review (included in Selling, general and administrative) (10) (7)  
Adjusted EBITDA 291 323  
Depreciation, amortization and accretion (234) (230)  
Loss on asset disposals, net (4) (8)  
Gain on sale of business and other exit costs, net 0    
Gain on license sales and exchanges, net 1 1  
Investments in unconsolidated entities 4 4  
Total assets 2,906 2,892  
Capital expenditures 112 218  
Total | Intersegment Revenues      
Segment Reporting Information [Line Items]      
Total operating revenues 35 34  
Total | Operating Segments Excluding Intersegment Elimination      
Segment Reporting Information [Line Items]      
Total operating revenues 1,182 1,249  
Total | Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Total operating revenues $ (35) $ (34)  
[1] The consolidated total assets as of March 31, 2025 and December 31, 2024, include assets held by consolidated variable interest entities (VIEs) of $1,023 million and $983 million, respectively, which are not available to be used to settle the obligations of TDS. The consolidated total liabilities as of March 31, 2025 and December 31, 2024, include certain liabilities of consolidated VIEs of $23 million and $24 million, respectively, for which the creditors of the VIEs have no recourse to the general credit of TDS. See Note 9 — Variable Interest Entities for additional information.