Income Taxes (Net Operating Loss Carryforwards and Tax Credit Carryforwards Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 112
Alternative Minimum Tax Credit Carryforwards, Before Tax	18
Mobility & Materials
Operating Loss Carryforwards [Line Items]
Capital Loss Carryforwards	173
US Federal [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	20
State [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	42
Valuation allowance offset for State net operating loss carryforwards due to uncertain recoverability	27
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	4,000
CHINA
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 17