Derivatives and Hedging Activities - Narrative (Details) $ in Millions |
Sep. 30, 2026
USD ($)
|
|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| AOCI, cash flow hedge, cumulative gain (loss), before tax | $ 89 |
| AOCI, cash flow hedge, cumulative gain (loss), after tax | 76 |
| Foreign currency cash flow hedge gain (loss) to be reclassified during next 12 months | 83 |
| Foreign currency cash flow hedge gain loss to be reclassified, after 12 months | $ 6 |