v3.19.3

Equity Method Investments - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Cash contributed for acquisition of equity method investments					$ 0	$ 412
Issuance of common stock as consideration for investment and acquisition	$ 9		$ 93	$ 52
Recognized gain on assets/liabilities	0	$ 7			0	$ 3,208
Equity method investments	1,393				1,393		$ 1,312
MLU B.V.
Schedule of Equity Method Investments [Line Items]
Cash contributed for acquisition of equity method investments				$ 345
Shares issued for consideration for equity method investments (in shares)				2
Issuance of common stock as consideration for investment and acquisition				$ 52
Shares issued for consideration for equity method investments, call feature repurchase price per share (in dollars per share)				$ 48
Equity ownership interest				38.00%
Contingent ownership percentage				35.00%
Recognized gain on assets/liabilities				$ 954
Equity method investments	1,255			1,400	1,255		$ 1,234
Basis difference in equity method investment	$ 817			$ 908	$ 817
Weighted-average life of intangible asset					5 years 1 month 6 days

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Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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