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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | $ 1,320 | $ 1,284 | $ 2,604 | $ 2,575
Operating lease income | 29 | 27 | 60 | 54
Total operating revenues | 1,349 | 1,311 | 2,664 | 2,629
Transferred over time |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 1,035 | 1,022 | 2,065 | 2,037
Transferred over time | Retail service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 700 | 684 | 1,402 | 1,367
Transferred over time | Inbound roaming |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 18 | 28 | 39 | 56
Transferred over time | Residential |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 168 | 160 | 330 | 317
Transferred over time | Commercial |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 44 | 46 | 87 | 93
Transferred over time | Wholesale |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 44 | 44 | 87 | 89
Transferred over time | Other service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 61 | 60 | 120 | 115
Transferred at point in time | Equipment and product sales |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 285 | 262 | 539 | 538
UScellular |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 1,004 | 994 | 1,992 | 1,996
Operating lease income | 23 | 20 | 45 | 41
Total operating revenues | 1,027 | 1,014 | 2,037 | 2,037
UScellular | Transferred over time |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 760 | 754 | 1,525 | 1,504
UScellular | Transferred over time | Retail service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 700 | 684 | 1,402 | 1,367
UScellular | Transferred over time | Retail service | Prior period reclassification |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers |  | (2) |  | (4)
UScellular | Transferred over time | Inbound roaming |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 18 | 28 | 39 | 56
UScellular | Transferred over time | Residential |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
UScellular | Transferred over time | Commercial |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
UScellular | Transferred over time | Wholesale |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
UScellular | Transferred over time | Other service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 42 | 42 | 84 | 81
UScellular | Transferred over time | Other service | Prior period reclassification |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers |  | 2 |  | 4
UScellular | Transferred at point in time | Equipment and product sales |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 244 | 240 | 467 | 492
TDS Telecom |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 255 | 251 | 506 | 499
Operating lease income | 1 | 1 | 2 | 1
Total operating revenues | 256 | 252 | 507 | 501
TDS Telecom | Transferred over time |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 255 | 251 | 505 | 499
TDS Telecom | Transferred over time | Retail service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
TDS Telecom | Transferred over time | Inbound roaming |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
TDS Telecom | Transferred over time | Residential |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 168 | 160 | 330 | 317
TDS Telecom | Transferred over time | Commercial |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 44 | 46 | 87 | 93
TDS Telecom | Transferred over time | Wholesale |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 44 | 44 | 87 | 89
TDS Telecom | Transferred over time | Other service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
TDS Telecom | Transferred at point in time | Equipment and product sales |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 1 | 1
Corporate, Eliminations and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 60 | 39 | 107 | 79
Operating lease income | 6 | 6 | 13 | 12
Total operating revenues | 66 | 45 | 120 | 91
Corporate, Eliminations and Other | Transferred over time |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 19 | 18 | 36 | 34
Corporate, Eliminations and Other | Transferred over time | Retail service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Corporate, Eliminations and Other | Transferred over time | Inbound roaming |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Corporate, Eliminations and Other | Transferred over time | Residential |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Corporate, Eliminations and Other | Transferred over time | Commercial |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Corporate, Eliminations and Other | Transferred over time | Wholesale |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 0 | 0 | 0 | 0
Corporate, Eliminations and Other | Transferred over time | Other service |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | 19 | 18 | 36 | 34
Corporate, Eliminations and Other | Transferred at point in time | Equipment and product sales |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from contracts with customers | $ 41 | $ 22 | $ 71 | $ 45

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