STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 6,708	$ 11,548	$ 12,890
Change in foreign currency translation adjustment, net of tax	198	(284)	(181)
Change in unrealized gain (loss) on marketable securities, net of tax	9	(10)	(7)
Change in unrealized gain (loss) on cash flow hedges, net of tax	(243)	184	206
Change in unrecognized pension and postretirement benefit costs, net of tax	(2,173)	1,839	3,817
Comprehensive Income (Loss)	$ 4,499	$ 13,277	$ 16,725