Unbilled Receivables - Additional Information (Details) - USD ($) $ in Millions	Sep. 28, 2025	Dec. 31, 2024
Contracts In Process [Line Items]
Net unbilled receivables	$ 8,641	$ 8,248
Combat Systems \| Large International Contract
Contracts In Process [Line Items]
Net unbilled receivables	$ 1,300	$ 1,200

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

No definition available.

Name:	us-gaap_UnbilledReceivablesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant