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v3.23.2

Fair value measurement of assets and liabilities - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) $ / item | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Recognized gains in interest income and other financial gains | $ 64 | $ 39 | $ 121 | $ 62 |
Maximum gross realized gains |  |  |  |  | $ 1
Unobservable inputs (Level 3) | Loans receivable, net |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Assets | 2,176 |  | 2,176 |  | 1,761
Corporate debt securities |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Proceeds from sale of available for sale securitites |  |  |  |  | 156
Auction Rate Securities | Direct Investment |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Investments | 365 |  | 365 |  | 359
Auction Rate Securities | Significant other observable inputs (Level 2) | Direct Investment |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Investments | 559 |  | 559 |  | 541
Convertible Senior Notes | 2028 Notes |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Estimated fair value | $ 1,202 |  | $ 1,202 |  | $ 884
Closing trading price per share (in dollars per share) | $ / item |  |  | 100 |  |

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