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Summary of Significant Accounting Policies - Carrying Values Of Investment Securities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Schedule of AFS and HTM Securities [Line Items]
Available-for-sale securities	$ 337	$ 800
Held-to-maturity securities	177	37
Total investment in debt securities	514	837
Time deposits
Schedule of AFS and HTM Securities [Line Items]
Available-for-sale securities	285	790
Commercial paper
Schedule of AFS and HTM Securities [Line Items]
Available-for-sale securities	39	2
Debt securities
Schedule of AFS and HTM Securities [Line Items]
Available-for-sale securities	13	8
Corporate bonds
Schedule of AFS and HTM Securities [Line Items]
Held-to-maturity securities	$ 177	$ 37

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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).

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