Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Earnings/(Losses)	Treasury Stock	Non-controlling Interest
Balance at beginning of period at Dec. 31, 2018	$ 25,602	$ 0	$ 31,961	$ 24,394	$ (10,644)	$ (20,185)	$ 76
Comprehensive earnings/(losses):
Net earnings	1,777			1,770			7
Other comprehensive earnings/(losses), net of income taxes	121				120		1
Exercise of stock options and issuance of other stock awards	340		9	(111)		442
Common Stock repurchased	(941)					(941)
Cash dividends declared	(753)			(753)
Dividends paid on noncontrolling interest and other activities	(3)						(3)
Balance at end of period at Jun. 30, 2019	26,143	0	31,970	25,300	(10,524)	(20,684)	81
Balance at beginning of period at Mar. 31, 2019	25,835	0	31,933	24,910	(10,528)	(20,561)	81
Comprehensive earnings/(losses):
Net earnings	804			803			1
Other comprehensive earnings/(losses), net of income taxes	6				4		2
Exercise of stock options and issuance of other stock awards	155		37	(35)		153
Common Stock repurchased	(276)					(276)
Cash dividends declared	(378)			(378)
Dividends paid on noncontrolling interest and other activities	(3)						(3)
Balance at end of period at Jun. 30, 2019	26,143	0	31,970	25,300	(10,524)	(20,684)	81
Balance at beginning of period at Dec. 31, 2019	27,317	0	32,019	26,615	(10,254)	(21,139)	76
Comprehensive earnings/(losses):
Net earnings	1,288			1,280			8
Other comprehensive earnings/(losses), net of income taxes	(1,166)				(1,165)		(1)
Exercise of stock options and issuance of other stock awards	177		3	(41)		215
Common Stock repurchased	(701)					(701)
Cash dividends declared	(817)			(817)
Dividends paid on noncontrolling interest and other activities	(1)			3			(4)
Balance at end of period at Jun. 30, 2020	26,097	0	32,022	27,040	(11,419)	(21,625)	79
Balance at beginning of period at Mar. 31, 2020	25,820	0	31,990	26,906	(11,502)	(21,652)	78
Comprehensive earnings/(losses):
Net earnings	545			544			1
Other comprehensive earnings/(losses), net of income taxes	87				83		4
Exercise of stock options and issuance of other stock awards	56		32	(3)		27
Cash dividends declared	(409)			(409)
Dividends paid on noncontrolling interest and other activities	(2)			2			(4)
Balance at end of period at Jun. 30, 2020	$ 26,097	$ 0	$ 32,022	$ 27,040	$ (11,419)	$ (21,625)	$ 79