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Revenue Recognition (Tables) | 3 Months Ended
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Mar. 31, 2025
Revenue Recognition [Abstract] |
Disaggregation Of Revenue |
|  |  | For the three months ended ‎March 31, |
| ($ in millions) |  | 2025 |  | 2024 |
| Data and Internet services |  | $ | 1,049 |  | $ | 947 |
| Voice services |  |  | 290 |  |  | 321 |
| Video services |  |  | 74 |  |  | 94 |
| Other |  |  | 82 |  |  | 84 |
| Revenue from contracts with customers (1) |  |  | 1,495 |  |  | 1,446 |
| Subsidy and other revenue |  |  | 16 |  |  | 16 |
| Total revenue |  | $ | 1,511 |  | $ | 1,462 |
|  |  | For the three months ended ‎March 31, |
| ($ in millions) |  | 2025 |  | 2024 |
| Consumer |  | $ | 813 |  | $ | 787 |
| Business and wholesale |  |  | 682 |  |  | 659 |
| Revenue from contracts with customers (1) |  |  | 1,495 |  |  | 1,446 |
| Subsidy and other revenue |  |  | 16 |  |  | 16 |
| Total revenue |  | $ | 1,511 |  | $ | 1,462 |
(1)Includes lease revenue of $13 million for both the three months ended March 31, 2025 and 2024, respectively.
Summary Of Changes In Contract Liabilities |
|  |  | Contract Liabilities |
| ($ in millions) |  | Current |  | Noncurrent |
| Balance at December 31, 2024 |  | $ | 34 |  | $ | 14 |
| Revenue recognized included in opening contract balance |  |  | (11) |  |  | (5) |
| Credits granted, excluding amounts recognized as revenue |  |  | 12 |  |  | 3 |
| Reclassified between current and noncurrent |  |  | (1) |  |  | 1 |
| Balance at March 31, 2025 |  | $ | 34 |  | $ | 13 |
|  |  | Contract Liabilities |
| ($ in millions) |  | Current |  | Noncurrent |
| Balance at December 31, 2023 |  | $ | 33 |  | $ | 17 |
| Revenue recognized included in opening contract balance |  |  | (8) |  |  | (5) |
| Credits granted, excluding amounts recognized as revenue |  |  | 8 |  |  | 3 |
| Reclassified between current and noncurrent |  |  | - |  |  | - |
| Balance at March 31, 2024 |  | $ | 33 |  | $ | 15 |
Performance Obligations, Revenue |
| ($ in millions) |  | Revenue from contracts with customers |
| 2025 (remaining nine months) |  | $ | 396 |
| 2026 |  |  | 154 |
| 2027 |  |  | 142 |
| 2028 |  |  | 28 |
| 2029 |  |  | 72 |
| Thereafter |  |  | 43 |
| Total |  | $ | 835 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(1) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details
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