Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Disaggregation of Revenue [Line Items]
Total revenues	$ 14,575	$ 5,576	$ 27,083	$ 13,714
Space
Disaggregation of Revenue [Line Items]
Total revenues	1,767	1,666	3,348	3,277
Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	5,248	3,097	12,796	8,159
SI
Disaggregation of Revenue [Line Items]
Total revenues	7,560	813	10,939	2,278
Products
Disaggregation of Revenue [Line Items]
Total revenues	771	430	1,612	1,185
Services
Disaggregation of Revenue [Line Items]
Total revenues	13,804	5,146	25,471	12,529
Launch Services \| Space
Disaggregation of Revenue [Line Items]
Total revenues	1,130	1,000	2,108	2,056
Launch & Development \| Space
Disaggregation of Revenue [Line Items]
Total revenues	637	666	1,240	1,221
Consumer \| Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	3,121	1,986	7,754	5,198
Enterprise & Government \| Connectivity
Disaggregation of Revenue [Line Items]
Total revenues	2,127	1,111	5,042	2,961
Advertising \| SI
Disaggregation of Revenue [Line Items]
Total revenues	538	454	1,248	1,323
SI Solutions & Infrastructure \| SI
Disaggregation of Revenue [Line Items]
Total revenues	$ 7,022	$ 359	$ 9,691	$ 955