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Consolidated Statements of Changes in Equity (Parentheticals) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Equity | $ 11,067 | $ 10,313
Cumulative translation adjustments |  |
Equity | 73 | 82
Additional paid-in capital |  |
Equity | 283 | 283
Convertible borrowings - equity component |  |
Equity | $ 38 | $ 38

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