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Consolidated statement of changes in equity (parenthetical) | Dec. 31, 2017 USD ($)
--- | ---
Equity | $ 23,029,000,000 | [1]
Increase (decrease) due to application of IFRS 9 [Member] |  |
Equity | 25,000,000 |
Increase (decrease) due to application of IFRS 15 [member] |  |
Equity | $ 0 |
[1] | For periods prior to the Spin-off "Former parent net investment" and "Equity" were presented as "Retained earnings" and "Invested capital", respectively, and were renamed upon the execution of the Spin-off.

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