Segment and Revenue Information - Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 89,463	$ 66,517	$ 77,794
Operating Segments | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	41,494	22,861	33,901
Operating Segments | Commercial Airplanes | B-737-Max | Customer Concessions
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from contract with customer, excluding assessed tax		(443)	27
Total non-U.S. revenues
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	41,380	30,789	32,387
Total non-U.S. revenues | Operating Segments | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from contract with customer, excluding assessed tax	24,975	15,843	19,242
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	16,466	11,994	10,013
Asia | Operating Segments | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from contract with customer, excluding assessed tax	11,733	8,060	6,328
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	11,419	8,734	10,520
Europe | Operating Segments | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from contract with customer, excluding assessed tax	6,536	3,956	6,172
Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	7,023	4,635	6,594
Middle East | Operating Segments | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from contract with customer, excluding assessed tax	4,202	2,012	4,311
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	1,781	1,472	1,256
Oceania
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	1,587	1,565	1,655
Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	1,625	1,143	825
Latin America, Caribbean and other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	1,479	1,246	1,524
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	48,083	36,171	45,380
United States | Operating Segments | Commercial Airplanes
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 16,357	$ 7,326	$ 14,501