Equity Securities, Time To Liquidity

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- Definition

Proceeds From Sale Of Non-Marketable Equity Securities

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Amount of allowance for credit loss on 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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Value of input used to measure investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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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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Amount of investment in equity security without readily determinable fair value.

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Investments and Fair Value Measurement - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Marketable Securities [Line Items]
Proceeds from sale of non-marketable equity securities			$ 500,000,000	$ 0
Allowance for credit loss	$ 0		0		$ 0
Total carrying value at the end of the period	592,000,000		592,000,000		6,576,000,000
Non-marketable Debt Securities
Marketable Securities [Line Items]
Included in other comprehensive income (loss)			1,251,000,000
Grab
Marketable Securities [Line Items]
Included in other comprehensive income (loss)	1,300,000,000
Aurora
Marketable Securities [Line Items]
Unrealized gain on investments	471,000,000		471,000,000
Total carrying value at the end of the period	2,148,000,000		2,148,000,000		0
Didi
Marketable Securities [Line Items]
Proceeds from sale of non-marketable equity securities		$ 500,000,000
Unrealized gain on investments	1,400,000,000
Total carrying value at the end of the period	$ 7,326,000,000		$ 7,326,000,000		$ 6,299,000,000
Common Stock Equivalent \| Aurora \| Relative weighting
Marketable Securities [Line Items]
Measurement input	0.40		0.40
Option Pricing Model \| Aurora
Marketable Securities [Line Items]
Time to liquidity			4 years 6 months
Option Pricing Model \| Aurora \| Volatility
Marketable Securities [Line Items]
Measurement input	0.68		0.68
Option Pricing Model \| Aurora \| Relative weighting
Marketable Securities [Line Items]
Measurement input	0.60		0.60