Commitments and Contingencies (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	$ 773	$ 798
Other Commitment	12,800
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	934
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	143
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	109
Department of Justice Claim Against Raytheon Missiles & Defense
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	295
Other Financing Arrangements [Member]
Loss Contingencies [Line Items]
Other Commitment	3,200
Commercial Aerospace [Member]
Loss Contingencies [Line Items]
Financing and other contractual commitments	$ 14,800	$ 15,300