Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended					9 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	$ 1,900					$ 1,900
Loss Contingency, Range of Possible Loss, Portion Not Accrued	1,066					1,066		$ 1,094
Letters of Credit Outstanding, Amount	4,850					4,850		3,634
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	(2,424)		$ (142)			(3,965)	$ (84)
VC-25B
Commitments And Contingencies [Line Items]
Contract Value	4,300					4,300
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	766					1,452
KC-46A Tanker
Commitments And Contingencies [Line Items]
Contract Value	21,000					21,000
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	1,165					1,374
KC-46A Tanker | Capitalized Precontract Costs
Commitments And Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	207					207
KC-46A Tanker | Potential Termination Liabilities
Commitments And Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	228					228
MQ-25
Commitments And Contingencies [Line Items]
Contract Value	890					890
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	351				$ 291	576
T-7A EMD
Commitments And Contingencies [Line Items]
Contract Value	860					860
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	100					203
T-7A Production
Commitments And Contingencies [Line Items]
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	185			$ 400		536
Commercial Crew
Commitments And Contingencies [Line Items]
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	195					288
Financing Commitment
Commitments And Contingencies [Line Items]
Other Commitment	16,495					16,495		12,905
Joint venture
Commitments And Contingencies [Line Items]
Other Commitment	265					265
Total Contractual Trade-In Commitment | Commercial Aircraft Commitments
Commitments And Contingencies [Line Items]
Other Commitment	1,262					1,262		612
Net Amounts Payable to Customers Related to Probable Contractual Trade-In Commitments | Commercial Aircraft Commitments
Commitments And Contingencies [Line Items]
Other Commitment	310					310		283
Fair Value of Trade In Value of Aircraft | Commercial Aircraft Commitments
Commitments And Contingencies [Line Items]
Other Commitment	309					309		283
Lower Customer Delivery Payments
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	900					900
Cash Payments To Customers
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	600					600
Customer Concessions
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	100					100
Contingent On Customer Negotiations
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	300					300
Contracted Customer Concessions & Other Considerations Liability [Member]
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	1,600					1,600
2023
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	100					100
2024 [Member]
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	500					500
B-737
Commitments And Contingencies [Line Items]
Abnormal Production cost.		$ 188
737 MAX customer concessions and other considerations liability	$ 1,936		$ 3,443			$ 1,936	$ 3,443	$ 2,940	$ 5,537