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v3.25.2

Financial Instruments - Fair Values on Recurring Basis (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Equity Securities, FV-NI, Gain (Loss) |  |  |  |  |
Equity securities, unrealized gain (loss) | $ 393 | $ 443 | $ 188 | $ (1,700) |
Recurring |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Cash | 16,083 |  | 16,083 |  | $ 17,055
Debt Securities, Available-for-sale |  |  |  |  |
Gross unrealized gains | 37 |  | 37 |  |
Gross unrealized losses | (63) |  | (63) |  |
Cash, Cash Equivalents, and Marketable Securities |  |  |  |  |
Cash, cash equivalents and marketable securities | 96,892 |  | 96,892 |  | 104,735
Cash, cash equivalents and marketable securities, amortized cost | 93,769 |  | 93,769 |  |
Less: Restricted cash, cash equivalents, and marketable securities | (3,712) |  | (3,712) |  | (3,533)
Total cash, cash equivalents, and marketable securities | 93,180 |  | 93,180 |  | 101,202
Recurring | Level 1 securities |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Equity securities | 3,149 |  | 3,149 |  | 3,318
Recurring | Level 1 securities | Money market funds |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Money market funds | 18,058 |  | 18,058 |  | 28,282
Recurring | Level 1 securities | Money market funds | Money market funds |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Money market funds | 18,058 |  | 18,058 |  |
Recurring | Level 2 securities | Foreign government and agency securities |  |  |  |  |
Debt Securities, Available-for-sale |  |  |  |  |
Fixed income securities, amortized cost | 84 |  | 84 |  |
Gross unrealized gains | 0 |  | 0 |  |
Gross unrealized losses | 0 |  | 0 |  |
Fixed income securities | 84 |  | 84 |  | 177
Recurring | Level 2 securities | U.S. government and agency securities |  |  |  |  |
Debt Securities, Available-for-sale |  |  |  |  |
Fixed income securities, amortized cost | 5,057 |  | 5,057 |  |
Gross unrealized gains | 5 |  | 5 |  |
Gross unrealized losses | (32) |  | (32) |  |
Fixed income securities | 5,030 |  | 5,030 |  | 3,401
Recurring | Level 2 securities | Corporate debt securities |  |  |  |  |
Debt Securities, Available-for-sale |  |  |  |  |
Fixed income securities, amortized cost | 52,634 |  | 52,634 |  |
Gross unrealized gains | 26 |  | 26 |  |
Gross unrealized losses | (19) |  | (19) |  |
Fixed income securities | 52,641 |  | 52,641 |  | 50,912
Recurring | Level 2 securities | Asset-backed securities |  |  |  |  |
Debt Securities, Available-for-sale |  |  |  |  |
Fixed income securities, amortized cost | 1,813 |  | 1,813 |  |
Gross unrealized gains | 6 |  | 6 |  |
Gross unrealized losses | (12) |  | (12) |  |
Fixed income securities | 1,807 |  | 1,807 |  | 1,523
Recurring | Level 2 securities | Other debt securities |  |  |  |  |
Debt Securities, Available-for-sale |  |  |  |  |
Fixed income securities, amortized cost | 40 |  | 40 |  |
Gross unrealized gains | 0 |  | 0 |  |
Gross unrealized losses | 0 |  | 0 |  |
Fixed income securities | $ 40 |  | $ 40 |  | $ 67

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