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Investments - Fair Values by Classification (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Consolidated Balance Sheets locations
Marketable securities	$ 1,676	$ 48
Total available-for-sale investments	4,335	7,304
Available-for-sale investments [Member]
Consolidated Balance Sheets locations
Cash and cash equivalents	2,659	7,256
Marketable securities	1,676	48
Total available-for-sale investments	$ 4,335	$ 7,304

X

- Definition

Fair values of available-for-sale investments by classification in the Consolidated Balance Sheets.

+ References

No definition available.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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