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Income Taxes Unrecognized Tax Benefit (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Jan. 01, 2024 | Jan. 01, 2023 | Jan. 01, 2022
Income Tax [Line Items] |  |  |  |  |  |
Unrecognized tax benefit — Permanent tax positions | $ 43 | $ 41 |  |  |  |
Unrecognized tax benefit — Temporary tax positions | 0 | 0 |  |  |  |
Total unrecognized tax benefit | 43 | 41 | $ 67 | $ 41 | $ 67 | $ 58
Additions based on tax positions related to the current year | 5 | 5 | 7 |  |  |
Additions for tax positions of prior years | 2 | 1 | 6 |  |  |
Reductions for tax positions of prior years | 3 | 29 | 1 |  |  |
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 0 | (1) | (1) |  |  |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | (2) | (2) | (2) |  |  |
NOL and tax credit carryforwards | 35 | 35 |  |  |  |
Upper bound of decrease in unrecognized tax benefit that is reasonably possible | 2 |  |  |  |  |
Payable for interest related to unrecognized tax benefits at Jan. 1 | (2) | (1) | (4) | $ (1) | $ (4) | $ (3)
Interest (expense) benefit related to unrecognized tax benefits | (1) | 3 | (1) |  |  |
Unrecognized Tax Benefits, Income Tax Penalties Expense | 0 | $ 0 | $ 0 |  |  |
Deferred Tax and Other Liabilities, Noncurrent | $ 41 |  |  |  |  |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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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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