Pension and Other Postretirement Employee Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Sep. 26, 2025
Defined Benefit Plan Disclosure [Line Items]
Corridor approach percentage over which actuarial gains and losses are amortized		10.00%
NAV per share, investment redemption, notice period		90 days
Expense for all defined benefit and defined contributions pension plans		$ 277	$ 282	$ 219
Defined Benefit Plan, Insurance Annuity Contract
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, amount		351	0
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service credits, before tax		5
Prior service credit, after tax		4
Unrecognized actuarial losses, before tax		(244)
Unrecognized actuarial losses, net of tax		(185)
Defined benefit plan, plan assets, amount		$ 2,881	$ 2,693
Pension Benefits | U.S. Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on asset assumptions		6.80%	6.80%	6.80%
Expected employer contributions within the next year		$ 8
Defined benefit plan, plan assets, amount		$ 2,020	$ 1,914	$ 1,889
Pension Benefits | U.S. Pension Benefits | Defined Benefit Plan, Insurance Annuity Contract
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, amount					$ 349
Pension Benefits | U.S. Pension Benefits | Scenario, forecast
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on asset assumptions	6.50%
Pension Benefits | U.S. Pension Benefits | Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, target allocation, percentage		60.00%
Pension Benefits | U.S. Pension Benefits | Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, target allocation, percentage		70.00%
Pension Benefits | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on asset assumptions		4.40%	4.20%
Expected employer contributions within the next year		$ 41
Defined benefit plan, plan assets, amount		$ 861	$ 779	815
Pension Benefits | Foreign Plan | Minimum
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on asset assumptions		0.80%	0.80%
Pension Benefits | Foreign Plan | Maximum
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on asset assumptions		7.00%	7.00%
Pension Benefits | Foreign Plan | Weighted average
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on asset assumptions		4.40%	4.20%
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Medical trend rate - initial		7.00%	7.70%
Medical trend rate - ultimate		4.00%	4.00%
Unrecognized prior service credits, before tax		$ 4
Prior service credit, after tax		3
Unrecognized actuarial losses, before tax		(9)
Unrecognized actuarial losses, net of tax		(7)
Expected employer contributions within the next year		12
Defined benefit plan, plan assets, amount		$ 0	$ 0	$ 0