Supplemental Consolidated Financial Information - Equity Method Investments and Warrants (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	$ (246)	$ (1,048)	$ (85)	$ (3,051)
Change in fair value of warrant	31	(104)	69	(219)
Realized change in fair value of shares sold	0	(68)	0	(242)
Gain (loss) on other investments	(2)	0	(2)	(6)
Gain (loss) on equity investments and warrant, net	(214)	(1,221)	(16)	(3,512)
Adevinta
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	(210)	(829)	(36)	(2,472)
Adyen
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	0	(38)	0	(118)
Realized change in fair value of shares sold	0	(1)	0	(167)
Gmarket
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	(29)	(77)	(40)	(259)
KakaoBank
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	(4)	(105)	(7)	(196)
Realized change in fair value of shares sold	$ 0	$ (67)	$ 0	$ (75)

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 220
-Name Accounting Standards Codification
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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Publisher FASB
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