Leases (Supplemental Balance Sheet Information Related To Operating Leases) (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Leases [Abstract] | ||||
| Right-of-use assets | [1] | $ 128 | $ 137 | |
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets | ||
| Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Accounts payable, accrued expenses and other liabilities | Accounts payable, accrued expenses and other liabilities | ||
| Lease liabilities | [1] | $ 145 | $ 152 | |
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