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Revenue Recognition Disaggregation Of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018
Revenue from contracts with customers |  |  |
Revenue from contracts with customers | [1] | $ 1,233 | $ 2,435
Transferred over time |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 971 | 1,925
Transferred over time | Retail service |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 652 | 1,301
Transferred over time | Inbound roaming |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 39 | 66
Transferred over time | Residential |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 127 | 253
Transferred over time | Commercial |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 57 | 114
Transferred over time | Wholesale |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 46 | 93
Transferred over time | Other service |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 51 | 98
Transferred at point in time | Equipment and product sales |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 262 | 510
U.S. Cellular |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers | [1] | 957 | 1,882
U.S. Cellular | Transferred over time |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 724 | 1,432
U.S. Cellular | Transferred over time | Retail service |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 652 | 1,301
U.S. Cellular | Transferred over time | Inbound roaming |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 39 | 66
U.S. Cellular | Transferred over time | Other service |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 33 | 65
U.S. Cellular | Transferred at point in time | Equipment and product sales |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 233 | 450
TDS Telecom |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers | [1] | 230 | 460
TDS Telecom | Transferred over time |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 229 | 459
TDS Telecom | Transferred over time | Residential |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 127 | 253
TDS Telecom | Transferred over time | Commercial |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 57 | 114
TDS Telecom | Transferred over time | Wholesale |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 46 | 93
TDS Telecom | Transferred over time | Other service |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  |  | (1)
TDS Telecom | Transferred at point in time | Equipment and product sales |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 1 | 1
TDS Telecom Wireline |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers | [1] | 173 | 349
TDS Telecom Wireline | Transferred over time |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 173 | 348
TDS Telecom Wireline | Transferred over time | Residential |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 80 | 160
TDS Telecom Wireline | Transferred over time | Commercial |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 46 | 94
TDS Telecom Wireline | Transferred over time | Wholesale |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 46 | 93
TDS Telecom Wireline | Transferred at point in time | Equipment and product sales |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  |  | 1
TDS Telecom Cable |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers | [1] | 57 | 112
TDS Telecom Cable | Transferred over time |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 57 | 112
TDS Telecom Cable | Transferred over time | Residential |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 47 | 92
TDS Telecom Cable | Transferred over time | Commercial |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 10 | 20
Corporate, Eliminations and Other |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers | [1] | 46 | 93
Corporate, Eliminations and Other | Transferred over time |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 18 | 34
Corporate, Eliminations and Other | Transferred over time | Other service |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | 18 | 34
Corporate, Eliminations and Other | Transferred at point in time | Equipment and product sales |  |  |
Revenue from contracts with customers |  |  |
Revenue from contracts with customers |  | $ 28 | $ 59
[1] | These amounts do not include revenues outside the scope of ASU 2014-09; therefore, revenue line items in this table will not agree to amounts presented in the Consolidated Statement of Operations.

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