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Income Taxes And Tax-Related Items (Income Taxes And Tax-Related Items) (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Unrecognized tax benefits | $ 12 | $ 16
Tax-related interest and penalties payable | 1 | 5
Net deferred tax assets | 1,000 | 1,100
Deferred tax asset, increase (decrease) amount | (170) |
Deferred tax assets, operating loss carryforwards, state and local | 2 | 2
Deferred tax assets, operating loss carryforwards, federal | 4 | 4
Deferred tax assets, federal valuation allowance | 4 | 4
Deferred tax assets, state valuation allowance | $ 1 | $ 1
Minimum |  |
Operating loss carryforwards, expiration date - state | 2023 |
Operating loss carryforwards, expiration date - federal | 2028 |
Maximum |  |
Operating loss carryforwards, expiration date - state | 2041 |
Operating loss carryforwards, expiration date - federal | 2031 |

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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