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Fair Value - Contractual Maturities of Debt Securities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Within 1 year, Amortized Cost	$ 13	$ 8
After 1 year and through year 5, Amortized Cost	74	61
After 5 years and through year 10, Amortized Cost	56	49
After 10 years, Amortized Cost	58	61
Within 1 year, Fair Value	13	8
After 1 year and through year 5, Fair Value	70	61
After 5 years and through year 10, Fair Value	48	49
After 10 years, Fair Value	$ 48	$ 60

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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