Other Investments (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Equity Securities without Readily Determinable Fair Value, Amount	$ 1,200	$ 900
Other Income [Member]
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	$ 138

Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant