Income Taxes Deferred Income Taxes (Details 5) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Deferred Tax Assets (Table Amounts)
Deferred Tax Asset, R&E Expenditure Capitalization	$ 3,473	$ 4,816
Accrued employee compensation	378	386
Provisions for accrued liabilities	488	468
Inventory	11	36
Stock-based compensation	45	37
Operating lease liabilities	569	557
Tax credits	829	562
Other	301	241
Gross deferred tax assets	6,094	7,103
Less: valuation allowance	(582)	(526)
Net deferred tax assets	5,512	6,577
Deferred Tax Liabilities (Table Amounts)
Goodwill	535	534
Purchased intangibles	58	69
Property, plant and equipment, net	983	827
Operating lease right-of-use assets	582	554
Contract accounting differences	1,760	2,714
Other	134	127
Deferred tax liabilities	4,461	4,978
Total net deferred tax assets	1,051	1,599
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits	$ 409	$ 153