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Consolidated statement of changes in equity - USD ($) shares in Thousands, $ in Millions | Total | Total | Share capital | Share premium | Treasury shares | Retained profits | [2] | Other reserves | Non- controlling interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (1,574) |  |  |
Equity, beginning of period at Dec. 31, 2015 |  | $ 3,728 |  | $ 3,477 | $ 153 | [1] | $ 486 | $ (143) | $ 3,513 | $ (531) | $ 251
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (1,395) |  |  |
Comprehensive income |  | (109) | [3] | (60) |  |  |  |  | (32) | (28) | (49)
Dividends | [4] | (265) |  | (265) |  |  |  |  | (265) |  |
Purchase of treasury shares (in shares) |  |  |  |  |  |  |  | (37) |  |  |
Purchase of treasury shares |  | (3) |  | (3) |  |  |  | $ (3) |  |  |
Share-based compensation | [5] | 14 |  | 14 |  |  |  |  |  | 14 |
Issuance of shares under share-based payment schemes (in shares) |  |  |  |  |  |  |  | 216 |  |  |
Issuance of shares under share-based payment schemes |  | 4 |  | 4 |  |  | (1) | $ 23 | (1) | (17) |
Equity, end of period at Dec. 31, 2016 |  | 3,368 |  | 3,167 | $ 153 | [1] | 485 | $ (123) | 3,215 | (562) | 201
Number of shares, end of period (in shares) at Dec. 31, 2016 |  |  |  |  | 101,739 |  |  | (1,395) |  |  |
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (1,395) |  |  |
Statutory reserves unavailable for distribution |  | 321 |  |  |  |  |  |  |  |  |
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (1,195) |  |  |
Comprehensive income |  | 158 | [3] | 173 |  |  |  |  | 86 | 87 | (15)
Dividends | [4] | (265) |  | (265) |  |  |  |  | (265) |  |
Purchase of treasury shares (in shares) |  |  |  |  |  |  |  | (32) |  |  |
Purchase of treasury shares |  | (3) |  | (3) |  |  |  | $ (3) |  |  |
Share-based compensation | [5] | 22 |  | 22 |  |  |  |  |  | 22 |
Issuance of shares under share-based payment schemes (in shares) |  |  |  |  |  |  |  | 233 |  |  |
Issuance of shares under share-based payment schemes |  | 1 |  | 1 |  |  | (1) | $ 21 | 1 | (18) |
Equity, end of period at Dec. 31, 2017 |  | 3,281 | [6] | 3,096 | $ 153 | [1] | 484 | $ (106) | 3,035 | (472) | 185
Number of shares, end of period (in shares) at Dec. 31, 2017 |  |  |  |  | 101,739 |  |  | (1,195) |  |  |
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (1,195) |  |  |
Statutory reserves unavailable for distribution |  | 345 |  |  |  |  |  |  |  |  |
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (913) |  |  |
Comprehensive income |  | (108) |  | (78) |  |  |  |  | (10) | (68) | (30)
Dividends | [4] | (266) |  | (266) |  |  |  |  | (266) |  |
Dividends to non-controlling interests |  | (13) |  |  |  |  |  |  |  |  | (13)
Purchase of treasury shares (in shares) |  |  |  |  |  |  |  | (70) |  |  |
Purchase of treasury shares |  | (6) |  | (6) |  |  |  | $ (6) |  |  |
Share-based compensation | [5] | 22 |  | 22 |  |  |  |  | 0 | 22 |
Issuance of shares under share-based payment schemes (in shares) |  |  |  |  |  |  |  | 351 |  |  |
Issuance of shares under share-based payment schemes |  | 2 |  | 2 |  |  | (2) | $ 31 | (5) | (22) |
Effect of change in consolidation scope | [7] | 111 |  |  |  |  |  |  |  |  | 111
Put option reserve | [7] | (239) |  | (239) |  |  |  |  | (239) |  |
Equity, end of period at Dec. 31, 2018 |  | 2,790 |  | $ 2,542 | $ 153 | [1] | $ 482 | $ (81) | $ 2,525 | $ (538) | $ 249
Number of shares, end of period (in shares) at Dec. 31, 2018 |  |  |  |  | 101,739 |  |  | (913) |  |  |
Number of shares, beginning of period (in shares) |  |  |  |  | 101,739 |  |  | (913) |  |  |
Statutory reserves unavailable for distribution |  | $ 324 |  |  |  |  |  |  |  |  |
[1] | Share capital and share premium – see note C.1.
[2] | Retained profits – includes profit for the year attributable to equity holders, of which $324 million (2017: $345 million; 2016: $321 million) are not distributable to equity holders.
[3] | Re-presented for discontinued operations (shown in note A.4.).
[4] | Dividends – see note C.2.
[5] | Share-based compensation – see note C.1.
[6] | Not restated for the application of IFRS 15 and 9, as the Group elected the modified retrospective approach for both standards.
[7] | Effect of the acquisition of Cable Onda S.A. See notes A.1.2. and C.6.3. for further details.

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