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v3.25.2

Fair value measurement (Details) $ in Millions | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 USD ($)
--- | --- | --- | ---
Minimum | Measurement input, discount rate |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Redeemable noncontrolling interest, measurement input | 0.0651 |  |
Maximum | Measurement input, discount rate |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Redeemable noncontrolling interest, measurement input | 0.0755 |  |
Carrying value |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, fair value disclosure | $ 15,706 | $ 13,851 | $ 12,959
Fair value |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, fair value disclosure | $ 15,587 | $ 13,604 | $ 12,520

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