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Fair Value Measurement Of Assets And Liabilities - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Recognized gains in interest income and other financial gains	$ 29	$ 9
Gross realized gains less than	1
Unobservable Inputs (Level 3) | Loans receivable, net
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	1,761	1,260
Corporate Debt Securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Proceeds from sales	156
Auction Rate Securities | Direct Investment
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments	359	541
Auction Rate Securities | Direct Investment | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments	$ 401	$ 704

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- Definition

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

+ References

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-Publisher FASB
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-Topic 820
-SubTopic 10
-Section 50
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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
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No definition available.

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+ References

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Amount of cash inflow from sale of 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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