Investments and Fair Value Measurement - Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Financial Assets
Non-marketable equity securities	$ 1,955	$ 283
Recurring
Financial Assets
Non-marketable equity securities	12	32
Marketable equity securities	2,479	11,359
Note receivable from a related party	126	132
Total financial assets	2,617	11,523
Financial Liabilities
Total financial liabilities	23	193
Recurring \| Call Option
Financial Liabilities
MLU B.V. Call Option	23	193
Recurring \| Level 1
Financial Assets
Non-marketable equity securities	0	0
Marketable equity securities	2,479	11,359
Note receivable from a related party	0	0
Total financial assets	2,479	11,359
Financial Liabilities
Total financial liabilities	0	0
Recurring \| Level 1 \| Call Option
Financial Liabilities
MLU B.V. Call Option	0	0
Recurring \| Level 2
Financial Assets
Non-marketable equity securities	0	0
Marketable equity securities	0	0
Note receivable from a related party	0	0
Total financial assets	0	0
Financial Liabilities
Total financial liabilities	0	0
Recurring \| Level 2 \| Call Option
Financial Liabilities
MLU B.V. Call Option	0	0
Recurring \| Level 3
Financial Assets
Non-marketable equity securities	12	32
Marketable equity securities	0	0
Note receivable from a related party	126	132
Total financial assets	138	164
Financial Liabilities
Total financial liabilities	23	193
Recurring \| Level 3 \| Call Option
Financial Liabilities
MLU B.V. Call Option	$ 23	$ 193

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

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