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Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Contingency [Line Items] |  |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | $ 2 | $ 2 |
Unrecognized Tax Benefits, Period Increase (Decrease) | $ 0 | $ 1 | $ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00% | 21.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 107 | $ 122 | $ 439
Effective Income Tax Rate Reconciliation, Percent | (157.00%) | 13.00% | 44.00%
Payments for Legal Settlements | $ (3) | $ (377) | $ 0
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Beginning balance | 122 | 458 |
Additions for current year tax positions | 4 | 28 | 0
Additions for tax positions of prior years | 0 | 14 | 3
Reductions for tax positions of prior years | (16) | 0 | (6)
Lapse of statute of limitations | 0 | (1) | (4)
Ending balance | 107 | 122 | 458
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 0 | 1 |
Unrecognized Tax Benefits, Income Tax Penalties Expense | $ 0 | $ 1 | $ 0
UNITED STATES |  |  |
Income Tax Contingency [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 34 |  |
Effective Income Tax Rate Reconciliation, Percent | 35.00% |  |

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