Restructuring and Other Charges - Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($) employee	Dec. 31, 2020 USD ($) employee
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ 56	$ 90	$ 182
Pension, other post-retirement benefits and deferred compensation - net settlement and curtailments		(58)	(75)	(69)
Other		6	4	8
Accelerated depreciation		1	15	2
Gain (loss) on sale of assets		8	12	3
Benefit from termination of plan				3
Impairment of assets to be disposed of		8	15	5
Pension benefits paid
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 34			69
Pension, other post-retirement benefits and deferred compensation - net settlement and curtailments		(58)	(75)
Curtailment (charge) benefit		0	(6)	0
Other postretirement benefits
Restructuring Cost and Reserve [Line Items]
Curtailment (charge) benefit		0	0	2
Layoff costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges			$ 7	$ 113
Number of employees associated with layoff costs | employee			253	4,301
Layoff costs | Corporate
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee				23
Layoff costs | Engineered Structures
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee			171
Layoff costs | Engine Products
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee			75	1,706
Layoff costs | Fastening Systems
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee			6	1,675
Layoff costs | Corporate Aircraft
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee			1
Layoff costs | Engineered Structures
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee				805
Layoff costs | Forged Wheels
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | employee				92
Asset Impairment Associated Facility Closure
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges			$ 4	$ 1
Facility Closing
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		1	4	6
Facility Closing | U.K. Forging Business
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges				5
Reversal Of Prior Period Programs
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ (1)	(3)	(21)
2021 Restructuring Programs
Restructuring Cost and Reserve [Line Items]
Number of employees associated with layoff costs | segment		253
Number of employees separated | segment		80
U.K. and U.S. pension plan settlement accounting | Pension benefits paid
Restructuring Cost and Reserve [Line Items]
Pension, other post-retirement benefits and deferred compensation - net settlement and curtailments				74
Impairment Of A Cost Method Investment
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges				5
Pension Settlement Cost
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges		$ 17	$ 12	$ 8