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Available-for-sale Debt Securities and Equity Securities - Summary of Available-for-Sale Debt Securities by Contractual Maturity (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Amortized Cost
Within one year	$ 1,057
After one year through five years	1,260
After five years through ten years	3
After ten years	6
Amortized Cost	2,325	$ 2,501
Fair Value
Within one year	1,048
After one year through five years	1,236
After five years through ten years	3
After ten years	6
Fair Value	$ 2,293	$ 2,497

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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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