Fair Value Measurements - Carrying Value of our Non-Marketable Equity Securities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Initial cost basis	$ 427	$ 409
Upward adjustments	9	0
Downward adjustments (including impairment)	(312)	0
Total carrying value at the end of reporting period	$ 124	$ 409

Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Including Impairment Loss, Cumulative Amount

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- Definition

Equity Securities without Readily Determinable Fair Value, Initial Cost Basis, Cumulative Amount

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117539-209714

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- Definition

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

+ References

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 https://asc.fasb.org/extlink&oid=126980263&loc=SL75117539-209714

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- References

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