Pension And Other Postretirement Benefits (Pension Plans With Accumulated Benefit Obligation In Excess Of Plan Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
United States | Funded Pension Plans [Member]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]
Accumulated benefit obligation	$ 0	$ 0
Fair value of plan assets	0	0
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligation	11,501	11,638
Fair value of plan assets	11,232	11,367
United States | Unfunded Pension Plans [Member]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]
Accumulated benefit obligation	1,229	1,173
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligation	1,488	1,505
Pension Benefits - Non-U.S. [Member] | Funded Pension Plans [Member]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]
Accumulated benefit obligation	1,025	1,145
Fair value of plan assets	574	562
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligation	1,982	2,334
Fair value of plan assets	1,261	1,465
Pension Benefits - Non-U.S. [Member] | Unfunded Pension Plans [Member]
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]
Accumulated benefit obligation	3,224	3,592
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligation	$ 3,499	$ 3,924