Financial Instruments (Schedule of Effects of Derivatives Recognized) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Derivative gain (loss) recognized in OCI | $ (1) | $ (68) | $ (114) | $ (60) |
| Interest rate swaps | Derivatives designated as hedging instruments | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Derivative gain (loss) recognized in OCI | (3) | (16) | (14) | (12) |
| Euro-denominated notes | Derivatives designated as hedging instruments | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Derivative gain (loss) recognized in OCI | 5 | (37) | (123) | (14) |
| Foreign exchange contracts | Derivatives not designated as hedging instruments | ||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Derivative gain (loss) recognized in OCI | $ (3) | $ (15) | $ 23 | $ (34) |