Commitments and Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Accrual For Environmental Loss Contingencies	$ 798	$ 834
Commercial Aerospace financing and other contractual commitments	15,300	$ 15,600
Other Commitment	11,300
Other Financing Arrangements [Member]
Loss Contingencies [Line Items]
Other Commitment	3,300
2019 U. S. Defense Contract Management Agency Claim Against Pratt Whitney Domain [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	1,730
Loss Contingency, Interest	843
U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	177
Loss Contingency, Interest	132
U. S. Defense Contract Management Agency Claim Against Pratt Whitney Second Claim [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	269
Loss Contingency, Interest	96
Department of Justice Claim Against Raytheon Missiles & Defense
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 290