Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	$ 770	$ 770	$ 798
Other Commitment	12,400	12,400
Charges as a result of Pratt & Whitney's accelerated inspection of PW1100G-JM GTF engines due to rare condition in powder metal.	$ 2,900	2,900
Pratt & Whitney's net program share of PW1100 GTF program	51.00%
Pratt & Whitney's reduction of sales for PW1100 GTF rare powder metal condition	$ 5,400
Pratt & Whitney's reduction of cost of sales for PW100 GTF rare powder metal condition	2,500
Increase in accrued liabilities of Pratt & Whitney's program share of PW1100 GTF program	$ 2,800	2,800
Partner Share of Pratt & Whitney Powder Metal Charge	49.00%
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		982
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		149
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		116
Department of Justice Claim Against Raytheon Missiles & Defense
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value		300
Other Financing Arrangements [Member]
Loss Contingencies [Line Items]
Other Commitment	$ 3,100	3,100
Commercial Aerospace [Member]
Loss Contingencies [Line Items]
Financing and other contractual commitments	$ 14,500	$ 14,500	$ 15,300