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Income Taxes And Tax-Related Items Income Taxes And Tax-Related Items (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income before income taxes | $ 1,476 | $ 1,490 | $ 621
Foreign-source income | 48 |  |
Liability for tax-related interest and penalties | 5 | 6 |
Unrecognized tax benefits that would impact the effective tax rate | 13 | 14 |
Unrecognized Tax Benefits is Reasonably Possible, taxes | 4 |  |
Unrecognized Tax Benefits, interest and penalties | 3 |  |
Non-income tax benefit | 4 |  |
Non-income tax benefit recognized in following year | 7 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Federal | 4 | 3 |
State net operating loss carryforwards | 2 | 3 |
Deferred tax assets, federal valuation allowance | 4 | 3 |
Deferred tax assets, state valuation allowance | $ 1 | $ 2 |
Minimum |  |  |
Operating Loss Carryforwards, Expiration Date - Federal | 2028 |  |
Operating Loss Carryforwards, Expiration Date - State | 2023 |  |
Minimum | California |  |  |
Open Tax Year | 2006 |  |
Maximum |  |  |
Operating Loss Carryforwards, Expiration Date - Federal | 2031 |  |
Operating Loss Carryforwards, Expiration Date - State | 2041 |  |
Maximum | California |  |  |
Open Tax Year | 2007 |  |

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