Income Taxes (Net Operating Loss Carryforwards and Tax Credit Carryforwards Narrative) (Details) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 337
Tax Credit Carryforward, Valuation Allowance	298
Alternative Minimum Tax Credit Carryforwards, Before Tax	18
Tax Adjustments, Settlements, and Unusual Provisions	34
Mobility & Materials
Operating Loss Carryforwards [Line Items]
Capital Loss Carryforwards	173
US Federal [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	22
State [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	32
Valuation allowance offset for State net operating loss carryforwards due to uncertain recoverability	24
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	3,000
CHINA
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 34

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Amount of capital loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

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