Preparation Of Interim Financial Statements (Narrative) (Details) - USD ($) shares in Thousands, $ in Millions |
1 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
Feb. 26, 2026 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Product Information [Line Items] | ||||
| Goodwill, Impairment Loss | $ 0 | |||
| Goodwill | $ 63,838 | $ 63,425 | ||
| Repurchase of common stock (in shares) | 95,000 | 9,000 | ||
| Treasury Stock, Value, Acquired, Cost Method | $ 2,495 | $ 218 | ||
| Lumen's Mass Markets | ||||
| Product Information [Line Items] | ||||
| Cash payments to acquire business | 5,756 | |||
| Goodwill | 800 | |||
| Stock Repurchase Program December 2024 | ||||
| Product Information [Line Items] | ||||
| Share Repurchase Program, Authorized, Amount | $ 10,000 | |||
| Repurchase of common stock (in shares) | 88,000 | |||
| Treasury Stock, Value, Acquired, Cost Method | $ 2,279 | |||
| Stock Repurchase Program January 2026 | ||||
| Product Information [Line Items] | ||||
| Share Repurchase Program, Authorized, Amount | 10,000 | |||
| Legacy | ||||
| Product Information [Line Items] | ||||
| Goodwill | $ 0 | |||
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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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