v3.20.4

Segment Information (Summary Of Operating Revenues And Expenses By Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 171,760 | $ 181,193 | $ 170,756
Operations and Support Expenses | 136,839 | 125,021 | 116,230
EBITDA | 34,921 | 56,172 | 54,526
Depreciation and Amortization | 28,516 | 28,217 | 28,430
Operating Income (Loss) | 6,405 | 27,955 | 26,096
Equity in Net Income (Loss) of Affiliates | 95 | 6 | (48)
Income (Loss) Before Income Taxes | (2,856) | 18,468 | 24,873
Reclassification of prior service credit amortization | 2,442 | 1,934 | 1,753
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 175,008 | 184,581 | 171,958
Operations and Support Expenses | 116,856 | 122,435 | 113,758
EBITDA | 58,152 | 62,146 | 58,200
Depreciation and Amortization | 20,192 | 20,080 | 19,841
Operating Income (Loss) | 37,960 | 42,066 | 38,359
Equity in Net Income (Loss) of Affiliates | 42 | 188 | 59
Income (Loss) Before Income Taxes | 38,002 | 42,254 | 38,418
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,932 | 1,937 | 2,246
Operations and Support Expenses | 3,974 | 3,279 | 2,335
EBITDA | (2,042) | (1,342) | (89)
Depreciation and Amortization | 300 | 636 | 1,633
Operating Income (Loss) | (2,342) | (1,978) | (1,722)
Reconciling Items |  |  |
Segment Reporting Information [Line Items] |  |  |
Equity in Net Income (Loss) of Affiliates | (42) | (188) | (59)
Acquisition-related items |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0 | (72) | (49)
Operations and Support Expenses | 468 | 960 | 1,185
EBITDA | (468) | (1,032) | (1,234)
Depreciation and Amortization | 8,012 | 7,460 | 6,931
Operating Income (Loss) | (8,480) | (8,492) | (8,165)
Certain significant items |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0 | 0 | 0
Operations and Support Expenses | 19,156 | 2,082 | 899
EBITDA | (19,156) | (2,082) | (899)
Depreciation and Amortization | 14 | 43 | 26
Operating Income (Loss) | (19,170) | (2,125) | (925)
Eliminations and consolidations |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | (5,180) | (5,253) | (3,399)
Operations and Support Expenses | (3,615) | (3,735) | (1,947)
EBITDA | (1,565) | (1,518) | (1,452)
Depreciation and Amortization | (2) | (2) | (1)
Operating Income (Loss) | (1,563) | (1,516) | (1,451)
Communications | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 138,850 | 142,359 | 143,721
Operations and Support Expenses | 89,841 | 91,800 | 93,321
EBITDA | 49,009 | 50,559 | 50,400
Depreciation and Amortization | 18,488 | 18,329 | 18,292
Operating Income (Loss) | 30,521 | 32,230 | 32,108
Equity in Net Income (Loss) of Affiliates | 0 | 0 | 0
Income (Loss) Before Income Taxes | 30,521 | 32,230 | 32,108
Communications | Mobility | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 72,564 | 71,056 | 70,521
Operations and Support Expenses | 42,106 | 40,681 | 40,690
EBITDA | 30,458 | 30,375 | 29,831
Depreciation and Amortization | 8,086 | 8,054 | 8,263
Operating Income (Loss) | 22,372 | 22,321 | 21,568
Equity in Net Income (Loss) of Affiliates | 0 | 0 | 0
Income (Loss) Before Income Taxes | 22,372 | 22,321 | 21,568
Communications | Video | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 28,610 | 32,124 | 33,363
Operations and Support Expenses | 24,619 | 27,599 | 29,334
EBITDA | 3,991 | 4,525 | 4,029
Depreciation and Amortization | 2,262 | 2,461 | 2,698
Operating Income (Loss) | 1,729 | 2,064 | 1,331
Equity in Net Income (Loss) of Affiliates | 0 | 0 | 0
Income (Loss) Before Income Taxes | 1,729 | 2,064 | 1,331
Communications | Broadband | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 12,318 | 13,012 | 13,108
Operations and Support Expenses | 7,582 | 7,451 | 7,116
EBITDA | 4,736 | 5,561 | 5,992
Depreciation and Amortization | 2,914 | 2,880 | 2,623
Operating Income (Loss) | 1,822 | 2,681 | 3,369
Equity in Net Income (Loss) of Affiliates | 0 | 0 | 0
Income (Loss) Before Income Taxes | 1,822 | 2,681 | 3,369
Communications | Business Wireline | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 25,358 | 26,167 | 26,729
Operations and Support Expenses | 15,534 | 16,069 | 16,181
EBITDA | 9,824 | 10,098 | 10,548
Depreciation and Amortization | 5,226 | 4,934 | 4,708
Operating Income (Loss) | 4,598 | 5,164 | 5,840
Equity in Net Income (Loss) of Affiliates | 0 | 0 | 0
Income (Loss) Before Income Taxes | 4,598 | 5,164 | 5,840
WarnerMedia | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 30,442 | 35,259 | 20,585
Operations and Support Expenses | 21,579 | 24,172 | 13,279
EBITDA | 8,863 | 11,087 | 7,306
Depreciation and Amortization | 671 | 589 | 311
Operating Income (Loss) | 8,192 | 10,498 | 6,995
Equity in Net Income (Loss) of Affiliates | 18 | 161 | 25
Income (Loss) Before Income Taxes | 8,210 | 10,659 | 7,020
WarnerMedia | Eliminations and other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | (1,088) | 1,030 | 1,305
Operations and Support Expenses | (1,320) | 304 | 168
EBITDA | 232 | 726 | 1,137
Depreciation and Amortization | 127 | 90 | 28
Operating Income (Loss) | 105 | 636 | 1,109
Equity in Net Income (Loss) of Affiliates | 74 | 109 | (30)
Income (Loss) Before Income Taxes | 179 | 745 | 1,079
WarnerMedia | Turner | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 12,568 | 13,122 | 6,979
Operations and Support Expenses | 6,954 | 7,740 | 3,794
EBITDA | 5,614 | 5,382 | 3,185
Depreciation and Amortization | 277 | 235 | 131
Operating Income (Loss) | 5,337 | 5,147 | 3,054
Equity in Net Income (Loss) of Affiliates | (2) | 52 | 54
Income (Loss) Before Income Taxes | 5,335 | 5,199 | 3,108
WarnerMedia | Home Box Office | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 6,808 | 6,749 | 3,598
Operations and Support Expenses | 6,028 | 4,312 | 2,187
EBITDA | 780 | 2,437 | 1,411
Depreciation and Amortization | 98 | 102 | 56
Operating Income (Loss) | 682 | 2,335 | 1,355
Equity in Net Income (Loss) of Affiliates | 16 | 30 | 29
Income (Loss) Before Income Taxes | 698 | 2,365 | 1,384
WarnerMedia | Warner Bros. | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 12,154 | 14,358 | 8,703
Operations and Support Expenses | 9,917 | 11,816 | 7,130
EBITDA | 2,237 | 2,542 | 1,573
Depreciation and Amortization | 169 | 162 | 96
Operating Income (Loss) | 2,068 | 2,380 | 1,477
Equity in Net Income (Loss) of Affiliates | (70) | (30) | (28)
Income (Loss) Before Income Taxes | 1,998 | 2,350 | 1,449
Latin America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 5,716 | 6,963 | 7,652
Operations and Support Expenses | 5,436 | 6,463 | 7,158
EBITDA | 280 | 500 | 494
Depreciation and Amortization | 1,033 | 1,162 | 1,238
Operating Income (Loss) | (753) | (662) | (744)
Equity in Net Income (Loss) of Affiliates | 24 | 27 | 34
Income (Loss) Before Income Taxes | (729) | (635) | (710)
Latin America | Vrio | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 3,154 | 4,094 | 4,784
Operations and Support Expenses | 2,800 | 3,378 | 3,743
EBITDA | 354 | 716 | 1,041
Depreciation and Amortization | 520 | 660 | 728
Operating Income (Loss) | (166) | 56 | 313
Equity in Net Income (Loss) of Affiliates | 24 | 27 | 34
Income (Loss) Before Income Taxes | (142) | 83 | 347
Latin America | Mexico | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 2,562 | 2,869 | 2,868
Operations and Support Expenses | 2,636 | 3,085 | 3,415
EBITDA | (74) | (216) | (547)
Depreciation and Amortization | 513 | 502 | 510
Operating Income (Loss) | (587) | (718) | (1,057)
Equity in Net Income (Loss) of Affiliates | 0 | 0 | 0
Income (Loss) Before Income Taxes | $ (587) | $ (718) | $ (1,057)

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