Financial Instruments and Fair Value Measures - Effect of derivatives on Income Statement (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Cash flow hedges | ||||
| Gain (loss) recognized in other comprehensive income (loss) | $ 0 | $ (8) | $ 18 | $ (8) |
| Net investment hedges | ||||
| Gain (loss) recognized in other comprehensive income (loss) | 3 | (134) | 42 | (178) |
| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold | ||||
| Cash flow hedges | ||||
| (Gain) loss reclassified from AOCI to income: | (5) | 0 | (8) | 0 |
| Income Statement Location [Axis]: us-gaap:InterestExpenseOperating | ||||
| Cash flow hedges | ||||
| (Gain) loss reclassified from AOCI to income: | (1) | (4) | (1) | (4) |
| Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense | ||||
| Cash flow hedges | ||||
| (Gain) loss reclassified from AOCI to income: | $ (5) | $ 45 | $ (17) | $ 64 |