Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
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-SubTopic 220
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Investments - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended
Investments - Narrative (Details) - USD ($) $ in Millions	Aug. 31, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Investment securities in a continuous unrealized loss position for less then 12 months			$ 1,100		$ 2,900
Investment securities in a continuous loss position for less than 12 months, unrealized losses			0		0
Estimated fair value for securities in continuous unrealized loss position for greater than 12 months			600		2,700
Investment securities in a continuous loss position for greater than 12 months, unrealized losses			0		$ 41
Cash investment to acquire ownership interest			$ 160	$ 0
Paytm Mall
Debt Securities, Available-for-sale [Line Items]
Cash investment to acquire ownership interest	$ 160
Giosis Pte. Ltd.
Debt Securities, Available-for-sale [Line Items]
Gain on relinquishment of investment		$ 266