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Income Taxes, Tax Credits and Loss Carryforwards (Details) $ in Millions | Dec. 31, 2022 USD ($)
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U.S. State [Member] | Operating Loss Carryforwards, Limited [Member] |
Operating Loss Carryforwards |
Income tax NOLs | $ 12,002
U.S. State [Member] | Operating Loss Carryforwards, Unlimited [Member] |
Operating Loss Carryforwards |
Income tax NOLs | 390
U.S. State [Member] | Tax Credits, Limited [Member] |
Operating Loss Carryforwards |
Income tax credits | 73
U.S. State [Member] | Tax Credits, Unlimited [Member] |
Operating Loss Carryforwards |
Income tax credits | 5
Foreign [Member] | Operating Loss Carryforwards, Unlimited [Member] |
Operating Loss Carryforwards |
Income tax NOLs | 9
Foreign [Member] | Tax Credits, Limited [Member] |
Operating Loss Carryforwards |
Income tax credits | $ 598

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