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Income Taxes Unrecognized Tax Benefit (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2023 | Jan. 01, 2022 | Jan. 01, 2021
Income Tax [Line Items] |  |  |  |  |  |
Unrecognized tax benefit — Permanent tax positions | $ 41 | $ 55 |  |  |  |
Unrecognized tax benefit — Temporary tax positions | 0 | 12 |  |  |  |
Total unrecognized tax benefit | 41 | 67 | $ 58 | $ 67 | $ 58 | $ 52
Additions based on tax positions related to the current year | 5 | 7 | 5 |  |  |
Additions for tax positions of prior years | 1 | 6 | 2 |  |  |
Reductions for tax positions of prior years | 29 | 1 | 1 |  |  |
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | (1) | (1) | 0 |  |  |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | (2) | (2) | 0 |  |  |
NOL and tax credit carryforwards | 35 | 40 |  |  |  |
Upper bound of decrease in unrecognized tax benefit that is reasonably possible | 14 |  |  |  |  |
Payable for interest related to unrecognized tax benefits at Jan. 1 | (1) | (4) | (3) | $ (4) | $ (3) | $ (3)
Interest benefit (expense) related to unrecognized tax benefits | 3 | (1) | 0 |  |  |
Unrecognized Tax Benefits, Income Tax Penalties Expense | $ 0 | $ 0 | $ 0 |  |  |

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- Definition Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A + Details
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- Definition The total amount of unrecognized tax benefits for which the ultimate deductibility is highly certain but for which there is uncertainty about the timing of such deductibility and, if recognized, would not affect the effective tax rate but would accelerate the payment of cash to the taxing authority to an earlier period. + References No definition available. + Details
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