Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
AFS securities, gross realized losses		$ 11
AFS securities, gross unrealized losses	$ 7
Gross unrealized losses related to AFS investments in an unrealized loss position for greater than 12 months	5	5
2029 Notes
Debt Instrument [Line Items]
Fair value of notes payable	$ 409	$ 409	$ 500

Amount of unrealized loss on 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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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of realized loss on 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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Fair value portion of notes payable.

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