Income Taxes And Tax-Related Items (Income Taxes And Tax-Related Items) (Narrative) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
|
| Income Tax Contingency [Line Items] | ||
| Unrecognized tax benefits | $ 8 | |
| Tax-related interest and penalties payable | 1 | |
| Net deferred tax assets | 819 | $ 1,000 |
| Deferred Tax Assets, Other | (215) | |
| Deferred tax assets, operating loss carryforwards, state and local | 2 | |
| Deferred tax assets, federal valuation allowance | 9 | |
| Deferred tax assets, state valuation allowance | $ 2 | |
| Minimum | ||
| Income Tax Contingency [Line Items] | ||
| Operating loss carryforwards, expiration date - federal | 2029 | |
| Operating loss carryforwards, expiration date - state | 2025 | |
| Maximum | ||
| Income Tax Contingency [Line Items] | ||
| Operating loss carryforwards, expiration date - federal | 2035 | |
| Operating loss carryforwards, expiration date - state | 2044 |