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, 2016	$ 25,195	$ 0	$ 31,847	$ 21,125	$ (11,118)	$ (16,713)	$ 54
Comprehensive earnings/(losses):
Net earnings	2,842			2,828			14
Other comprehensive earnings/ (losses), net of income taxes	1,149				1,121		28
Exercise of stock options and issuance of other stock awards	345		68	(83)		360
Common Stock repurchased	(2,202)					(2,202)
Cash dividends declared ( $1.09, $0.96 and $0.82 per share for 2019, 2018 and 2017, respectively)	(1,239)			(1,239)
Dividends paid on noncontrolling interest and other activities	(16)						(16)
Balance at end of period at Dec. 31, 2017	26,074	0	31,915	22,631	(9,997)	(18,555)	80
Comprehensive earnings/(losses):
Net earnings	3,395			3,381			14
Other comprehensive earnings/ (losses), net of income taxes	(635)				(633)		(2)
Exercise of stock options and issuance of other stock awards	292		46	(118)		364
Common Stock repurchased	(1,994)					(1,994)
Cash dividends declared ( $1.09, $0.96 and $0.82 per share for 2019, 2018 and 2017, respectively)	(1,409)			(1,409)
Dividends paid on noncontrolling interest and other activities	(10)			6			(16)
Balance at end of period at Dec. 31, 2018	25,713	0	31,961	24,491	(10,630)	(20,185)	76
Comprehensive earnings/(losses):
Net earnings	3,885			3,870			15
Other comprehensive earnings/ (losses), net of income taxes	370				372		(2)
Exercise of stock options and issuance of other stock awards	471		58	(132)		545
Common Stock repurchased	(1,499)					(1,499)
Cash dividends declared ( $1.09, $0.96 and $0.82 per share for 2019, 2018 and 2017, respectively)	(1,576)			(1,576)
Dividends paid on noncontrolling interest and other activities	(13)						(13)
Balance at end of period at Dec. 31, 2019	$ 27,351	$ 0	$ 32,019	$ 26,653	$ (10,258)	$ (21,139)	$ 76