Income Taxes Deferred Income Taxes (Details 4) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets (Table Amounts)
Retiree benefits	$ 115	$ 117
Deferred Tax Asset, R&E Expenditure Capitalization	3,380	1,671
Accrued employee compensation	400	378
Provisions for accrued liabilities	509	65
Inventory	279	484
Stock-based compensation	35	37
Operating lease liabilities	575	556
Tax credits	557	464
Other	215	144
Gross deferred tax assets	6,065	3,916
Less: valuation allowance	(517)	(428)
Net deferred tax assets	5,548	3,488
Deferred Tax Liabilities (Table Amounts)
Goodwill	534	534
Purchased intangibles	83	98
Property, plant and equipment, net	805	854
Operating lease right-of-use assets	563	545
Contract accounting differences	2,437	1,348
Other	106	79
Deferred tax liabilities	4,528	3,458
Deferred Tax Assets, Net	$ 1,020	$ 30