Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended					6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	$ 2,100					$ 2,100
Loss Contingency, Range of Possible Loss, Portion Not Accrued	1,015					1,015		$ 1,094
Letters of Credit Outstanding, Amount	3,410					3,410		3,634
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate	(411)		$ 234			(1,541)	$ 58
Financing Commitment
Commitments And Contingencies [Line Items]
Other Commitment	13,081					13,081		12,905
Joint venture
Commitments And Contingencies [Line Items]
Other Commitment	243					243
Total Contractual Trade-In Commitment | Commercial Aircraft Commitments
Commitments And Contingencies [Line Items]
Other Commitment	1,270					1,270		612
Net Amounts Payable to Customers Related to Probable Contractual Trade-In Commitments | Commercial Aircraft Commitments
Commitments And Contingencies [Line Items]
Other Commitment	349					349		283
Fair Value of Trade In Value of Aircraft | Commercial Aircraft Commitments
Commitments And Contingencies [Line Items]
Other Commitment	346					346		283
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						686
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						103
T-7A Production
Commitments And Contingencies [Line Items]
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate				$ 400		351
MQ-25
Commitments And Contingencies [Line Items]
Contract Value	890					890
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate					$ 291	225
KC-46A Tanker
Commitments And Contingencies [Line Items]
Contract Value	19,000					19,000
Increase/(Decrease) in (Loss)/earnings from operations due to change in accounting estimate						209
KC-46A Tanker | Capitalized Precontract Costs
Commitments And Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	295					295
KC-46A Tanker | Potential Termination Liabilities
Commitments And Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	866					866
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	200					200
Contingent On Customer Negotiations
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	400					400
Contracted Customer Concessions & Other Considerations Liability [Member]
Commitments And Contingencies [Line Items]
737 MAX customer concessions and other considerations liability	1,700					1,700
Within Current fiscal Year [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	$ 2,108		$ 3,964			$ 2,108	$ 3,964	$ 2,940	$ 5,537