Benefit Obligations (Plan Assets Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Unrecognized Tax Benefit, Decrease resulting from changes in uncertain tax position and impacts of amended tax return filings			$ 5	$ 63	$ 65
Asset transfers between wholly owned foreign affiliates	$ 800		$ (839)	$ (816)	$ 0
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			5.20%	5.40%	6.30%
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year			$ 29
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year			$ 3
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Actual return on plan assets			8.80%
Expected return on plan assets			5.50%	5.50%	6.50%
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets			4.40%	4.90%	4.80%
Forecast [Member] | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets		5.50%