v3.19.3

Investments and Fair Value Measurement - Investments (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Marketable Securities [Line Items]
Cash and cash equivalents	$ 12,650	$ 6,406	$ 4,756
Nonmarketable equity securities	7,959	7,985
Investments	10,412	10,355
Money market funds
Marketable Securities [Line Items]
Cash and cash equivalents	6,039	268
Restricted cash and cash equivalents	1,595	1,237
Didi
Marketable Securities [Line Items]
Nonmarketable equity securities	7,953	7,953
Other
Marketable Securities [Line Items]
Nonmarketable equity securities	93	32
Grab
Marketable Securities [Line Items]
Debt securities	2,332	2,328
Other
Marketable Securities [Line Items]
Debt securities	$ 34	$ 42

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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