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Segment Information - Revenue information by segment and a reconciliation to consolidated total (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Information |  |  |
Revenue | $ 97,361,634 | $ 101,757,181 | $ 101,282,333
Reconciliation to consolidated amounts: |  |  |
Disposed operations | 223,272 | 841,437 | 920,009
Eliminations and corporate expenses | (7,252,528) | (5,394,062) | (4,812,091)
Depreciation and amortisation expense | (21,641,650) | (21,540,222) | (20,278,881)
Income before other income or expense | 17,291,740 | 18,321,617 | 18,690,274
Operating income | 17,525,368 | 17,005,030 | 20,252,558
Reportable segments |  |  |
Segment Information |  |  |
Revenue | 104,390,890 | 106,309,806 | 105,174,415
Cable |  |  |
Segment Information |  |  |
Revenue | 45,367,108 | 41,701,982 | 36,233,042
Sky |  |  |
Segment Information |  |  |
Revenue | 22,134,701 | 21,347,078 | 22,002,216
Content |  |  |
Segment Information |  |  |
Revenue | 32,613,007 | 35,060,534 | 39,223,668
Other Businesses |  |  |
Segment Information |  |  |
Revenue | 4,276,074 | 8,200,212 | 7,715,489
Operating segment |  |  |
Segment Information |  |  |
Revenue | 97,361,634 | 101,757,181 | 101,282,333
Reconciliation to consolidated amounts: |  |  |
Disposed operations | (3,991) | 258,885 | 343,799
Eliminations and corporate expenses | (1,954,406) | (1,960,648) | (2,154,747)
Depreciation and amortisation expense | (21,260,787) | (21,008,796) | (19,834,202)
Income before other income or expense | 17,291,740 | 18,321,617 | 18,690,274
Other income, net | 233,628 |  | 1,562,284
Other expense, net |  | (1,316,587) |
Operating income | 17,525,368 | 17,005,030 | 20,252,558
Operating segment | Reportable segments |  |  |
Segment Information |  |  |
Revenue | 104,390,890 | 106,309,806 | 105,174,415
Reconciliation to consolidated amounts: |  |  |
Operating income | 40,510,924 | 41,032,176 | 40,335,424
Operating segment | Cable |  |  |
Reconciliation to consolidated amounts: |  |  |
Operating income | 18,898,301 | 17,797,571 | 15,302,500
Operating segment | Sky |  |  |
Reconciliation to consolidated amounts: |  |  |
Operating income | 9,135,346 | 9,121,221 | 9,767,329
Operating segment | Content |  |  |
Reconciliation to consolidated amounts: |  |  |
Operating income | 12,360,797 | 12,649,135 | 14,855,109
Operating segment | Other Businesses |  |  |
Reconciliation to consolidated amounts: |  |  |
Operating income | 116,480 | 1,464,249 | 410,486
Intersegment Revenues |  |  |
Segment Information |  |  |
Revenue | (7,252,528) | (5,394,062) | (4,812,091)
Reconciliation to consolidated amounts: |  |  |
Disposed operations |  | 2,969 | 7,413
Eliminations and corporate expenses | (7,252,528) | (5,394,062) | (4,812,091)
Intersegment Revenues | Reportable segments |  |  |
Segment Information |  |  |
Revenue | (7,252,528) | (5,391,093) | (4,804,678)
Intersegment Revenues | Cable |  |  |
Segment Information |  |  |
Revenue | (710,357) | (591,618) | (560,186)
Intersegment Revenues | Sky |  |  |
Segment Information |  |  |
Revenue | (581,270) | (437,275) | (420,979)
Intersegment Revenues | Content |  |  |
Segment Information |  |  |
Revenue | (4,679,805) | (3,589,407) | (3,162,091)
Intersegment Revenues | Other Businesses |  |  |
Segment Information |  |  |
Revenue | (1,281,096) | (772,793) | (661,422)
Consolidated Revenues |  |  |
Segment Information |  |  |
Revenue | 97,361,634 | 101,757,181 | 101,282,333
Reconciliation to consolidated amounts: |  |  |
Disposed operations | 223,272 | 838,468 | 912,596
Consolidated Revenues | Reportable segments |  |  |
Segment Information |  |  |
Revenue | 97,138,362 | 100,918,713 | 100,369,737
Consolidated Revenues | Cable |  |  |
Segment Information |  |  |
Revenue | 44,656,751 | 41,110,364 | 35,672,856
Consolidated Revenues | Sky |  |  |
Segment Information |  |  |
Revenue | 21,553,431 | 20,909,803 | 21,581,237
Consolidated Revenues | Content |  |  |
Segment Information |  |  |
Revenue | 27,933,202 | 31,471,127 | 36,061,577
Consolidated Revenues | Other Businesses |  |  |
Segment Information |  |  |
Revenue | $ 2,994,978 | $ 7,427,419 | $ 7,054,067

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