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Financial Instruments - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Derivative [Line Items] |  |  |  |  |
Pretax net unrealized gain on derivatives maturing within the next 12 months estimated to be reclassified from AOCI to sales | $ 190 |  | $ 190 |  |
Equity investments without readily determinable fair values | 936 | $ 949 | 936 | $ 949 |
Unrealized gains recognized on investments in equity securities without readily determinable fair value |  |  | 61 | 3 |
Unrealized losses recognized on investments in equity securities without readily determinable fair values |  |  | 5 | 23 |
Cumulative unrealized gains on investments | 355 |  | 355 |  |
Cumulative unrealized losses on investments | 69 |  | 69 |  |
(Income) loss from investments in equity securities, net | (56) | 175 | (200) | (274) |
Fair value of loans payable and long-term debt, including current portion | 33,500 |  | 33,500 |  | $ 32,000
Debt, carrying amount | 37,800 |  | 37,800 |  | 35,100
Factored accounts receivable |  |  | 2,900 |  | 3,000
Cash collateral received from counterparties | 123 |  | 123 |  | 3
Equity Funds |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Equity securities held through ownership interest in investments funds | 278 | 622 | 278 | 622 |
(Income) loss from investments in equity securities, net | (7) | $ 105 | (5) | $ (27) |
Accounts Receivable Factoring Collections |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Restricted cash | 42 |  | 42 |  | 44
Level 2 |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Cash equivalents | $ 10,500 |  | $ 10,500 |  | $ 6,000
Maximum | Derivatives Designated as Hedging Instruments |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Maximum average period of maturities of contracts in years (less than) |  |  | 2 years |  |
Maximum | Derivatives Not Designated as Hedging Instruments |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Maximum average period of maturities of contracts in years (less than) |  |  | 6 months |  |

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