Inventories - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Inventories [Line Items]
777X and 767 reach-forward losses	$ 4,079
Early Issue Sales Consideration
Inventories [Line Items]
Inventory subject to uncertainty	5,837	4,126
Airplane Program 737
Inventories [Line Items]
Deferred production costs	9,679	6,011
Unamortized tooling and other non-recurring costs	909	792
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from firm orders at the balance sheet date	10,542
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from future orders	46
Airplane Program 777x
Inventories [Line Items]
Deferred production costs	0	1,792
Unamortized tooling and other non-recurring costs	4,122	4,063
Inventory, work in process	3,476	4,638
Abnormal production costs	0	513	325
777X and 767 reach-forward losses	3,499
Airplane Program 787
Inventories [Line Items]
Deferred production costs	13,178	12,384
Unamortized tooling and other non-recurring costs	1,370	1,480
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from firm orders at the balance sheet date	11,224
Deferred production, unamortized tooling and other nonrecurring costs to be recovered from future orders	3,324
Abnormal production costs	256	1,014	$ 1,240
Supplier advances	$ 1,379	$ 1,764