Derivative Financial Instruments (Notional Value of Outstanding Cash Flow Hedge Contracts by Year of Maturity and Net Unrealized (Loss) Gain Included in Accumulated Other Comprehensive Income) (Details) - Designated as Hedging Instrument - Cash Flow Hedging - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Foreign Exchange Contract | ||
| Derivative [Line Items] | ||
| Derivative, notional amount | $ 3,060 | $ 3,310 |
| Foreign Exchange Contract, Maturity 2026 | ||
| Derivative [Line Items] | ||
| Derivative, notional amount | 1,200 | 2,290 |
| Foreign Exchange Contract, Maturity 2027 | ||
| Derivative [Line Items] | ||
| Derivative, notional amount | 1,530 | 1,020 |
| Foreign Exchange Contract, Maturity 2028 | ||
| Derivative [Line Items] | ||
| Derivative, notional amount | $ 330 | $ 0 |