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Intangible assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Intangible Assets [Abstract] |
Disclosure of reconciliation of changes in intangible assets |
| ESTIMATED USEFUL LIFE
Property, plant and equipment |
Network infrastructure and equipment | 2 to 40 years
Buildings | 5 to 50 years
Finite-life intangible assets |
Software | 2 to 12 years
Customer relationships | 3 to 26 years
Program and feature film rights | Up to 5 years
|  | FINITE-LIFE | INDEFINITE-LIFE |
FOR THE YEAR ENDED DECEMBER 31, 2017 | NOTE | SOFTWARE |  | CUSTOMER RELATION- SHIPS |  | PROGRAM AND FEATURE FILM RIGHTS |  | OTHER |  | TOTAL |  | BRANDS |  | SPECTRUM AND OTHER LICENCES |  | BROADCAST LICENCES |  | TOTAL |  | TOTAL INTANGIBLE ASSETS |
COST |  |  |  |  |  |  |  |  |  |  |
January 1, 2017 |  | 7,861 |  | 1,159 |  | 682 |  | 350 |  | 10,052 |  | 2,333 |  | 3,288 |  | 2,322 |  | 7,943 |  | 17,995 |
Additions |  | 344 |  | 31 |  | 1,009 |  | 7 |  | 1,391 |  | — |  | — |  | — |  | — |  | 1,391 |
Acquired through business combinations |  | 98 |  | 830 |  | — |  | 103 |  | 1,031 |  | 110 |  | 246 |  | — |  | 356 |  | 1,387 |
Transfers |  | 407 |  | — |  | — |  | — |  | 407 |  | — |  | — |  | (1 | ) | (1 | ) | 406 |
Retirements and disposals |  | (21 | ) | (20 | ) | — |  | (55 | ) | (96 | ) | — |  | — |  | — |  | — |  | (96 | )
Impairment losses recognized in earnings | 8 | — |  | — |  | — |  | (12 | ) | (12 | ) | — |  | — |  | (70 | ) | (70 | ) | (82 | )
Amortization included in operating costs |  | — |  | — |  | (950 | ) | — |  | (950 | ) | — |  | — |  | — |  | — |  | (950 | )
December 31, 2017 |  | 8,689 |  | 2,000 |  | 741 |  | 393 |  | 11,823 |  | 2,443 |  | 3,534 |  | 2,251 |  | 8,228 |  | 20,051 |
ACCUMULATED AMORTIZATION |  |  |  |  |  |  |  |  |  |  |
January 1, 2017 |  | 5,316 |  | 513 |  | — |  | 168 |  | 5,997 |  | — |  | — |  | — |  | — |  | 5,997 |
Amortization |  | 672 |  | 102 |  | — |  | 39 |  | 813 |  | — |  | — |  | — |  | — |  | 813 |
Retirements and disposals |  | (21 | ) | — |  | — |  | (52 | ) | (73 | ) | — |  | — |  | — |  | — |  | (73 | )
Other |  | 9 |  | — |  | — |  | — |  | 9 |  | — |  | — |  | — |  | — |  | 9 |
December 31, 2017 |  | 5,976 |  | 615 |  | — |  | 155 |  | 6,746 |  | — |  | — |  | — |  | — |  | 6,746 |
NET CARRYING AMOUNT |  |  |  |  |  |  |  |  |  |  |
January 1, 2017 |  | 2,545 |  | 646 |  | 682 |  | 182 |  | 4,055 |  | 2,333 |  | 3,288 |  | 2,322 |  | 7,943 |  | 11,998 |
December 31, 2017 |  | 2,713 |  | 1,385 |  | 741 |  | 238 |  | 5,077 |  | 2,443 |  | 3,534 |  | 2,251 |  | 8,228 |  | 13,305 |
|  | FINITE-LIFE | INDEFINITE-LIFE |
FOR THE YEAR ENDED DECEMBER 31, 2016 | NOTE | SOFTWARE |  | CUSTOMER RELATION- SHIPS |  | PROGRAM AND FEATURE FILM RIGHTS |  | OTHER |  | TOTAL |  | BRANDS |  | SPECTRUM AND OTHER LICENCES |  | BROADCAST LICENCES |  | TOTAL |  | TOTAL INTANGIBLE ASSETS |
COST |  |  |  |  |  |  |  |  |  |  |
January 1, 2016 |  | 6,906 |  | 866 |  | 577 |  | 325 |  | 8,674 |  | 2,333 |  | 3,267 |  | 2,334 |  | 7,934 |  | 16,608 |
Additions |  | 412 |  | — |  | 973 |  | 17 |  | 1,402 |  | — |  | 21 |  | — |  | 21 |  | 1,423 |
Acquired through business combinations |  | — |  | 293 |  | — |  | 8 |  | 301 |  | — |  | — |  | — |  | — |  | 301 |
Transfers |  | 615 |  | — |  | — |  | — |  | 615 |  | — |  | — |  | — |  | — |  | 615 |
Retirements and disposals |  | (72 | ) | — |  | — |  | — |  | (72 | ) | — |  | — |  | — |  | — |  | (72 | )
Business dispositions |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | (4 | ) | (4 | ) | (4 | )
Impairment losses recognized in earnings | 8 |  | — |  | — |  | — |  | — |  | — |  | — |  | — |  | (8 | ) | (8 | ) | (8 | )
Amortization included in operating costs |  | — |  | — |  | (868 | ) | — |  | (868 | ) | — |  | — |  | — |  | — |  | (868 | )
December 31, 2016 |  | 7,861 |  | 1,159 |  | 682 |  | 350 |  | 10,052 |  | 2,333 |  | 3,288 |  | 2,322 |  | 7,943 |  | 17,995 |
ACCUMULATED AMORTIZATION |  |  |  |  |  |  |  |  |  |  |
January 1, 2016 |  | 4,824 |  | 466 |  | — |  | 142 |  | 5,432 |  | — |  | — |  | — |  | — |  | 5,432 |
Amortization |  | 558 |  | 47 |  | — |  | 26 |  | 631 |  | — |  | — |  | — |  | — |  | 631 |
Retirements and disposals |  | (69 | ) | — |  | — |  | — |  | (69 | ) | — |  | — |  | — |  | — |  | (69 | )
Other |  | 3 |  | — |  | — |  | — |  | 3 |  | — |  | — |  | — |  | — |  | 3 |
December 31, 2016 |  | 5,316 |  | 513 |  | — |  | 168 |  | 5,997 |  | — |  | — |  | — |  | — |  | 5,997 |
NET CARRYING AMOUNT |  |  |  |  |  |  |  |  |  |  |
January 1, 2016 |  | 2,082 |  | 400 |  | 577 |  | 183 |  | 3,242 |  | 2,333 |  | 3,267 |  | 2,334 |  | 7,934 |  | 11,176 |
December 31, 2016 |  | 2,545 |  | 646 |  | 682 |  | 182 |  | 4,055 |  | 2,333 |  | 3,288 |  | 2,322 |  | 7,943 |  | 11,998 |

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- Definition The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2017-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2017-03-01&anchor=para_118&doctype=Standard -URIDate 2017-03-09 + Details
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