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Income Taxes - Operating Loss Carryforwards, General Business Credit Carryforwards, and Tax Credit Carryforwards (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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General business credit carryforwards |  |
Net operating loss carryforwards: |  |
General business credit carryforwards | $ 17 | $ 12
Federal |  |
Net operating loss carryforwards: |  |
Net operating loss carryforwards | 214 | 178
State |  |
Net operating loss carryforwards: |  |
Net operating loss carryforwards | 2,810 | 3,763
Foreign |  |
Net operating loss carryforwards: |  |
Net operating loss carryforwards | 2,373 | $ 2,580
Expire 2023 through 2041 | Foreign |  |
Net operating loss carryforwards: |  |
Net operating loss carryforwards | $ 276 |

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