Inventories - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($) aircraft	Dec. 31, 2022 USD ($) aircraft	Dec. 31, 2021 USD ($) aircraft
Airplane Program 737
Inventories [Line Items]
Number of commercial aircraft program | aircraft	335	250	335
Deferred production costs	$ 1,296	$ 2,955	$ 1,296
Unamortized tooling and other non-recurring costs	$ 617	626	$ 617
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from firm orders at the balance sheet date		3,555
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from future orders		$ 26
Airplane Program 787
Inventories [Line Items]
Number of commercial aircraft program | aircraft	110	100	110
Deferred production costs	$ 11,693	$ 12,689	$ 11,693
Unamortized tooling and other non-recurring costs	1,815	1,722	1,815
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from firm orders at the balance sheet date		9,881
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from future orders		4,530
Abnormal production costs		1,240	468
Increase (decrease) in earnings from operations due to change in accounting estimate.	3,460
Supplier advances	1,907	1,831	1,907
Airplane Program 777x
Inventories [Line Items]
Deferred production costs	652	1,330	652
Unamortized tooling and other non-recurring costs	3,521	3,774	3,521
Inventory, work in process	3,363	4,059	3,363
Abnormal production costs		325
Early Issue Sales Consideration
Inventories [Line Items]
Inventory subject to uncertainty	$ 3,290	$ 3,586	$ 3,290