Commitments and Contingencies (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	$ 821	$ 834
Other Commitment	12,200
Commercial Aerospace [Member]
Loss Contingencies [Line Items]
Financing and other contractual commitments	15,300	$ 15,600
Other Financing Arrangements [Member]
Loss Contingencies [Line Items]
Other Commitment	3,300
2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	1,730
Loss Contingency, Interest	805
2013 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	177
Loss Contingency, Interest	127
2018 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	269
Loss Contingency, Interest	90
Department of Justice Claim Against Raytheon Missiles & Defense
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 290