"We have incurred significant losses since inception, including in the United States and other major markets. We expect our operating expenses to increase significantly in the foreseeable future, and we may not achieve profitability."

We have incurred significant losses since inception. We incurred operating losses of $4.0 billion and $3.0 billion in the years ended December 31, 2017 and 2018, and as of December 31, 2018, we had an accumulated deficit of $7.9 billion.

  Revenue: $11.2BB (2018)  $7.9BB (2017)   $3.8BB (2016)
  Growth:    3.3BB          4.1
  NetInc:    1.0BB         -4.0            -0.3

But net income buoyed by Other income (expense), net [0]:

  Other:   $4.99BB (2018) -0.02BB (2017)  $0.14BB (2016)

What is that $4.99BB "Other" income?

[0]: Includes gain on divestiture of $3,214BB, plus unrealized gain on investments of $1,996BB.

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