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Income Taxes And Tax-Related Items Income Taxes And Tax-Related Items (Narrative) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Unrecognized tax benefits | $ 19 | $ 18
Unrecognized Tax Benefits, Change Resulting from Settlements with Taxing Authorities | 5 |
Tax-related interest and penalties payable | 6 | 6
Net deferred tax assets | 566 | 9
Increase (Decrease) in Deferred Tax Assets | 557 |
State net operating loss carryforwards | 3 | 3
Deferred Tax Assets, Operating Loss Carryforwards, Federal | 3 | 3
Deferred tax assets, federal valuation allowance | 3 | 3
Deferred tax assets, state valuation allowance | $ 2 | $ 2
Minimum |  |
Operating loss carryforwards, expiration date - State | 2022 |
Operating loss carryforwards, expiration date - Federal | 2028 |
Maximum |  |
Operating loss carryforwards, expiration date - State | 2031 |
Operating loss carryforwards, expiration date - Federal | 2030 |

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