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Income Taxes And Tax-Related Items Income Taxes And Tax-Related Items (Narrative) (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Unrecognized tax benefits | $ 17 | $ 18
Unrecognized Tax Benefits, Change Resulting from Settlements with Taxing Authorities | 5 |
Income Tax Examination, Penalties and Interest Expense | 4 |
Tax-related interest and penalties payable | 5 | 6
Net deferred tax assets | 1,100 | 9
Increase (Decrease) in Deferred Tax Assets | 1,100 |
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 | $ 3 | $ 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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- 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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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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