Summary of Significant Accounting Policies Non-cash Investing and Financing Activities (Details 3)	12 Months Ended
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Noncash Investing and Financing Activities Related Text	During the year ended December 31, 2023, the company received lease incentives for landlord funded leasehold improvements of $55 million related to Space Systems real estate leases, which were recorded in PP&E and included in non-cash investing activities.Non-cash investing activities also include capital expenditures incurred but not yet paid of $280 million, $242 million and $75 million as of December 31, 2025, 2024 and 2023, respectively.

Additional textual information about significant noncash (or part noncash) investing and financing activities required to be supplementally disclosed. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

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