Commitments and Contingencies (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	$ 824	$ 834
Other Commitment	11,700
Commercial Aerospace [Member]
Loss Contingencies [Line Items]
Financing and other contractual commitments	15,400	$ 15,600
Other Financing Arrangements [Member]
Loss Contingencies [Line Items]
Other Commitment	3,400
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	773
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	124
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	86
Department of Justice Claim Against Raytheon Missiles & Defense
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value	$ 290