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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

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