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Consolidated Statements of Changes in Equity - USD ($) $ in Millions | Total | Reserve of exchange differences on translation [member] | Capital stock | Retained earnings (deficit) | Accumulated other comprehensive income (loss) | [1] | Other | [2] | Total equity attributable to shareholders | Non-controlling interests | Additional paid-in capital [member] | Reserve of equity component of convertible instruments [member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (shares) at Dec. 31, 2017 |  |  | 1,166,577,000 |  |  |  |  |  |  |
Beginning balance (shares) (Currently stated [member]) at Dec. 31, 2017 |  |  | 1,166,577,000 |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2017 | $ 11,067 |  | $ 20,893 | $ (11,759) | $ (169) | $ 321 | $ 9,286 | $ 1,781 |  |
Beginning balance (Currently stated [member]) at Dec. 31, 2017 | 11,131 |  | $ 20,893 | (11,695) | (169) | 321 | 9,350 | 1,781 |  |
Net income | 116 |  |  | 64 |  |  | 64 | 52 |  |
Total other comprehensive income | 5 |  |  | 0 | 5 |  | 5 |  |  |
Total comprehensive income | 121 |  |  | 64 | 5 |  | 69 | 52 |  |
Transactions with owners |  |  |  |  |  |  |  |  |  |
Dividends | (63) |  |  | (63) |  |  | (63) |  |  |
Issuedonexerciseofstockoptions |  |  | 11,000 |  |  |  |  |  |  |
Funding from non-controlling interests | 12 |  |  |  |  |  |  | 12 |  |
Other decrease in non-controlling interests | (95) |  |  |  |  |  |  | (95) |  |
Dividend reinvestment plan |  |  | $ 7 | (7) |  |  |  |  |  |
Dividend reinvestment plan (shares) |  |  | 571,000 |  |  |  |  |  |  |
Total transactions with owners (shares) |  |  | 582,000 |  |  |  |  |  |  |
Total transactions with owners | (146) |  | $ 7 | (70) |  |  | (63) | (83) |  |
Ending balance (shares) at Jun. 30, 2018 |  |  | 1,167,159,000 |  |  |  |  |  |  |
Ending balance at Jun. 30, 2018 | 11,106 | $ 72 | $ 20,900 | (11,701) | (164) | 321 | 9,356 | 1,750 | $ 283 | $ 38
Beginning balance (shares) at Dec. 31, 2018 |  |  | 1,167,847,000 |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2018 | 9,385 |  | $ 20,883 | (13,453) | (158) | 321 | 7,593 | 1,792 | 283 | 38
Net income | 363 |  |  | 305 |  |  | 305 | 58 |  |
Total other comprehensive income | 4 |  | 0 | 0 | 4 | 0 | 4 | 0 |  |
Total comprehensive income | 367 |  | 0 | 305 | 4 | 0 | 309 | 58 |  |
Transactions with owners |  |  |  |  |  |  |  |  |  |
Dividends | (64) |  |  | (64) | 0 |  | (64) | 0 |  |
Increase (decrease) through acquisition of subsidiary, equity | 8,788 |  | $ 7,903 | 0 | 0 | 0 | 7,903 | 885 |  |
Issuedonexerciseofstockoptions |  |  | 25,000 |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding |  |  | 583,669,000 |  |  |  |  |  |  |
Funding from non-controlling interests | 14 |  | $ 0 | 0 | 0 | 0 | 0 | 14 |  |
Other decrease in non-controlling interests | (28) |  | 0 | 0 | 0 | 0 | 0 | (28) |  |
Increase (decrease) through share-based payment transactions, equity | 5 |  |  |  |  | 5 | 5 |  |  |
Dividend reinvestment plan | 0 |  | $ 15 | (15) | 0 | 0 | 0 | 0 |  |
Dividend reinvestment plan (shares) |  |  | 1,127,895 |  |  |  |  |  |  |
Total transactions with owners (shares) |  |  | 584,822,000 |  |  |  |  |  |  |
Total transactions with owners | 8,715 |  | $ 7,918 | (79) | 0 | 5 | 7,844 | 871 |  |
Ending balance (shares) at Jun. 30, 2019 |  |  | 1,752,669,000 |  |  |  |  |  |  |
Ending balance at Jun. 30, 2019 | $ 18,467 | $ 85 | $ 28,801 | $ (13,227) | $ (154) | $ 326 | $ 15,746 | $ 2,721 | $ 283 | $ 38
[1] | 1 Includes cumulative translation losses at June 30, 2019: $85 million (June 30, 2018: $72 million)
[2] | 2 Includes additional paid-in capital as at June 30, 2019: $283 million (December 31, 2018: $283 million; June 30, 2018: $283 million) and convertible borrowings - equity component as at June 30, 2019: $38 million (December 31, 2018: $38 million; June 30, 2018: $38 million).The accompanying notes are an integral part of these condensed interim consolidated financial statements.

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