| Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
For the year ended December 31, 2019 | | | Revenues | | | Operations and Support Expenses | | | EBITDA | | | Depreciation and Amortization | | | Operating Income (Loss) | | | Equity in Net Income (Loss) of Affiliates | | | Segment Contribution | Communications | | | | | | | | | | | | | | | | | | | | | Mobility | $ | 71,056 | | $ | 40,681 | | $ | 30,375 | | $ | 8,054 | | $ | 22,321 | | $ | - | | $ | 22,321 | Entertainment Group | | 45,126 | | | 35,028 | | | 10,098 | | | 5,276 | | | 4,822 | | | - | | | 4,822 | Business Wireline | | 26,177 | | | 16,091 | | | 10,086 | | | 4,999 | | | 5,087 | | | - | | | 5,087 | Total Communications | | 142,359 | | | 91,800 | | | 50,559 | | | 18,329 | | | 32,230 | | | - | | | 32,230 | WarnerMedia | | | | | | | | | | | | | | | | | | | | | Turner | | 13,122 | | | 7,740 | | | 5,382 | | | 235 | | | 5,147 | | | 52 | | | 5,199 | Home Box Office | | 6,749 | | | 4,312 | | | 2,437 | | | 102 | | | 2,335 | | | 30 | | | 2,365 | Warner Bros. | | 14,358 | | | 11,816 | | | 2,542 | | | 162 | | | 2,380 | | | (30) | | | 2,350 | Other | | (730) | | | (71) | | | (659) | | | 39 | | | (698) | | | 110 | | | (588) | Total WarnerMedia | | 33,499 | | | 23,797 | | | 9,702 | | | 538 | | | 9,164 | | | 162 | | | 9,326 | Latin America | | | | | | | | | | | | | | | | | | | | | Vrio | | 4,094 | | | 3,378 | | | 716 | | | 660 | | | 56 | | | 27 | | | 83 | Mexico | | 2,869 | | | 3,085 | | | (216) | | | 502 | | | (718) | | | - | | | (718) | Total Latin America | | 6,963 | | | 6,463 | | | 500 | | | 1,162 | | | (662) | | | 27 | | | (635) | Xandr | | 2,022 | | | 646 | | | 1,376 | | | 58 | | | 1,318 | | | - | | | 1,318 | Segment Total | | 184,843 | | | 122,706 | | | 62,137 | | | 20,087 | | | 42,050 | | $ | 189 | | $ | 42,239 | Corporate and Other | | | | | | | | | | | | | | | | | | | | | Corporate | | 1,675 | | | 3,008 | | | (1,333) | | | 629 | | | (1,962) | | | | | | | Acquisition-related items | | (72) | | | 960 | | | (1,032) | | | 7,460 | | | (8,492) | | | | | | | Certain significant items | | - | | | 2,082 | | | (2,082) | | | 43 | | | (2,125) | | | | | | | Eliminations and consolidations | | (5,253) | | | (3,735) | | | (1,518) | | | (2) | | | (1,516) | | | | | | | AT&T Inc. | $ | 181,193 | | $ | 125,021 | | $ | 56,172 | | $ | 28,217 | | $ | 27,955 | | | | | | |
For the year ended December 31, 2018 | | | Revenues | | | Operations and Support Expenses | | | EBITDA | | | Depreciation and Amortization | | | Operating Income (Loss) | | | Equity in Net Income (Loss) of Affiliates | | | Segment Contribution | Communications | | | | | | | | | | | | | | | | | | | | | Mobility | $ | 70,521 | | $ | 40,690 | | $ | 29,831 | | $ | 8,263 | | $ | 21,568 | | $ | - | | $ | 21,568 | Entertainment Group | | 46,460 | | | 36,430 | | | 10,030 | | | 5,315 | | | 4,715 | | | - | | | 4,715 | Business Wireline | | 26,740 | | | 16,201 | | | 10,539 | | | 4,714 | | | 5,825 | | | - | | | 5,825 | Total Communications | | 143,721 | | | 93,321 | | | 50,400 | | | 18,292 | | | 32,108 | | | - | | | 32,108 | WarnerMedia | | | | | | | | | | | | | | | | | | | | | Turner | | 6,979 | | | 3,794 | | | 3,185 | | | 131 | | | 3,054 | | | 54 | | | 3,108 | Home Box Office | | 3,598 | | | 2,187 | | | 1,411 | | | 56 | | | 1,355 | | | 29 | | | 1,384 | Warner Bros. | | 8,703 | | | 7,130 | | | 1,573 | | | 96 | | | 1,477 | | | (28) | | | 1,449 | Other | | (339) | | | (145) | | | (194) | | | 22 | | | (216) | | | (30) | | | (246) | Total WarnerMedia | | 18,941 | | | 12,966 | | | 5,975 | | | 305 | | | 5,670 | | | 25 | | | 5,695 | Latin America | | | | | | | | | | | | | | | | | | | | | Vrio | | 4,784 | | | 3,743 | | | 1,041 | | | 728 | | | 313 | | | 34 | | | 347 | Mexico | | 2,868 | | | 3,415 | | | (547) | | | 510 | | | (1,057) | | | - | | | (1,057) | Total Latin America | | 7,652 | | | 7,158 | | | 494 | | | 1,238 | | | (744) | | | 34 | | | (710) | Xandr | | 1,740 | | | 398 | | | 1,342 | | | 9 | | | 1,333 | | | - | | | 1,333 | Segment Total | | 172,054 | | | 113,843 | | | 58,211 | | | 19,844 | | | 38,367 | | $ | 59 | | $ | 38,426 | Corporate and Other | | | | | | | | | | | | | | | | | | | | | Corporate | | 2,150 | | | 2,250 | | | (100) | | | 1,630 | | | (1,730) | | | | | | | Acquisition-related items | | (49) | | | 1,185 | | | (1,234) | | | 6,931 | | | (8,165) | | | | | | | Certain significant items | | - | | | 899 | | | (899) | | | 26 | | | (925) | | | | | | | Eliminations and consolidations | | (3,399) | | | (1,947) | | | (1,452) | | | (1) | | | (1,451) | | | | | | | AT&T Inc. | $ | 170,756 | | $ | 116,230 | | $ | 54,526 | | $ | 28,430 | | $ | 26,096 | | | | | | |
For the year ended December 31, 2017 | | | Revenues | | | Operations and Support Expenses | | | EBITDA | | | Depreciation and Amortization | | | Operating Income (Loss) | | | Equity in Net Income (Loss) of Affiliates | | | Segment Contribution | Communications | | | | | | | | | | | | | | | | | | | | | Mobility | $ | 70,259 | | $ | 42,317 | | $ | 27,942 | | $ | 7,931 | | $ | 20,011 | | $ | - | | $ | 20,011 | Entertainment Group | | 49,995 | | | 38,903 | | | 11,092 | | | 5,621 | | | 5,471 | | | - | | | 5,471 | Business Wireline | | 29,203 | | | 18,441 | | | 10,762 | | | 4,756 | | | 6,006 | | | - | | | 6,006 | Total Communications | | 149,457 | | | 99,661 | | | 49,796 | | | 18,308 | | | 31,488 | | | - | | | 31,488 | WarnerMedia | | | | | | | | | | | | | | | | | | | | | Turner | | 430 | | | 331 | | | 99 | | | 4 | | | 95 | | | 45 | | | 140 | Home Box Office | | - | | | - | | | - | | | - | | | - | | | - | | | - | Warner Bros. | | - | | | - | | | - | | | - | | | - | | | - | | | - | Other | | - | | | 4 | | | (4) | | | - | | | (4) | | | (74) | | | (78) | Total WarnerMedia | | 430 | | | 335 | | | 95 | | | 4 | | | 91 | | | (29) | | | 62 | Latin America | | | | | | | | | | | | | | | | | | | | | Vrio | | 5,456 | | | 4,172 | | | 1,284 | | | 849 | | | 435 | | | 87 | | | 522 | Mexico | | 2,813 | | | 3,232 | | | (419) | | | 369 | | | (788) | | | - | | | (788) | Total Latin America | | 8,269 | | | 7,404 | | | 865 | | | 1,218 | | | (353) | | | 87 | | | (266) | Xandr | | 1,373 | | | 169 | | | 1,204 | | | 2 | | | 1,202 | | | - | | | 1,202 | Segment Total | | 159,529 | | | 107,569 | | | 51,960 | | | 19,532 | | | 32,428 | | $ | 58 | | $ | 32,486 | Corporate and Other | | | | | | | | | | | | | | | | | | | | | Corporate | | 2,443 | | | 3,911 | | | (1,468) | | | 214 | | | (1,682) | | | | | | | Acquisition-related items | | - | | | 798 | | | (798) | | | 4,608 | | | (5,406) | | | | | | | Certain significant items | | (243) | | | 3,880 | | | (4,123) | | | 33 | | | (4,156) | | | | | | | Eliminations and consolidations | | (1,183) | | | 31 | | | (1,214) | | | - | | | (1,214) | | | | | | | AT&T Inc. | $ | 160,546 | | $ | 116,189 | | $ | 44,357 | | $ | 24,387 | | $ | 19,970 | | | | | | |
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