Pension Plans and Other Post Employment Benefit Plans Change in Projected Benefit Obligations, Plan Assets and Funded Status (Details) - USD ($) $ in Millions		8 Months Ended	12 Months Ended
		Aug. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation			$ 14,000	$ 19,700
Trust Agreement [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation at beginning of the period		$ 219	219
Benefit obligation at end of the period			182	219
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation at beginning of the period		19,775	19,775	21,682
Service Cost			20	25	$ 26
Interest Cost			505	364	559
Plan participants' contributions			1	3
Actuarial (gain) loss		110	(3,759)	(524)
Benefits Paid			(1,460)	(1,490)
Plan amendments			0	(15)
Net effects of acquisitions / divestitures / other	[1]		(1,080)	(240)
Effect of foreign exchange rates			(20)	(30)
Benefit obligation at end of the period			13,982	19,775	21,682
Fair value of plan assets at beginning of period		17,827	17,827	17,835
Actual return on plan assets			(2,765)	1,685
Employer contributions			60	49
Plan participants' contributions			1	3
Benefits paid			(1,460)	(1,490)
Net effects of acquisitions / divestitures / other	[1]		(1,080)	(240)
Effect of foreign exchange rates			1	(15)
Fair value of plan assets at end of period			12,584	17,827	17,835
Funded (unfunded) status of plan			(1,398)	(1,948)
Pension Plan | U.S. Plans with Plan Assets [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan			(1,050)	(1,471)
Pension Plan | Non-U.S. plans with plan assets [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan			(30)	(62)
Pension Plan | All other plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan	[2],[3]		(318)	(415)
Other Post Employment Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation at beginning of the period		1,362	1,362	1,571
Service Cost			1	1	2
Interest Cost			26	21	66
Plan participants' contributions			20	35
Actuarial (gain) loss			(246)	(33)
Benefits Paid			(142)	(233)
Plan amendments			0	0
Net effects of acquisitions / divestitures / other			0	0
Effect of foreign exchange rates			0	0
Benefit obligation at end of the period			1,021	1,362	1,571
Fair value of plan assets at beginning of period		$ 0	0	0
Actual return on plan assets			0	0
Employer contributions			122	198
Plan participants' contributions			20	35
Benefits paid			(142)	(233)
Net effects of acquisitions / divestitures / other			0	0
Effect of foreign exchange rates			0	0
Fair value of plan assets at end of period			0	0	0
Funded (unfunded) status of plan			(1,021)	(1,362)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax			0	(1)	$ 0
Other Post Employment Benefits Plan | U.S. Plans with Plan Assets [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan			0	0
Other Post Employment Benefits Plan | Non-U.S. plans with plan assets [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan			0	0
Other Post Employment Benefits Plan | All other plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan	[2],[3]		$ (1,021)	$ (1,362)

[1] Relates to transfers of certain benefit obligations and related assets associated with the principal U.S. pension plan to an insurance company through the purchase of nonparticipating group annuity contracts.

[2] As of December 31, 2022 and 2021, $182 million and $219 million, respectively, of the benefit obligations are supported by funding under the Trust agreement, defined in the "Trust Assets" section below.

[3] Includes pension plans maintained around the world where funding is not customary.