Acquisitions, Dispositions And Other Adjustments (Pro-Forma Consolidated Results Of Operations) (Details) - Time Warner Inc. [Member] - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Business Acquisition Pro Forma Information [Line Items] | ||
| Total operating revenues | $ 183,651 | $ 188,769 |
| Net Income Attributable to AT&T | $ 20,814 | $ 31,380 |
| Basic Earnings Per Share Attributable to AT&T | $ 2.86 | $ 4.30 |
| Diluted Earnings Per Share Attributable to AT&T | $ 2.85 | $ 4.26 |
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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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