Unbilled Receivables, Net (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled receivable, net of progress and performance-based payments received	$ 5,922	$ 5,710
Allowance for expected credit losses	(14)	(17)
Unbilled receivables, net	5,908	5,693
US Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled receivables	22,871	23,655
Government Contract Receivable, Progress Payment Offset	17,300	18,321
Unbilled receivable, net of progress and performance-based payments received	5,571	5,334
International and Other Customers [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled receivables	1,108	1,720
Progress and performance-based payments received	(757)	(1,344)
Unbilled receivable, net of progress and performance-based payments received	$ 351	$ 376