Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Common stock and capital in excess of par value	Accumulated other comprehensive income	Retained earnings	Treasury Stock	Noncontrolling interests
Beginning Balance at Dec. 31, 2018	$ 352,500	$ 35,715	$ (5,015)	$ 321,112	$ (3,109)	$ 3,797
Net earnings (loss)	21,732			21,661		71
Other comprehensive income, net	310		288			22
Issuance (acquisition) of common stock	(1,677)	13			(1,690)
Transactions with noncontrolling interests	(274)	(98)				(176)
Ending Balance at Mar. 31, 2019	372,591	35,630	(4,727)	342,773	(4,799)	3,714
Beginning Balance at Dec. 31, 2019	428,563	35,666	(5,243)	402,493	(8,125)	3,772
Net earnings (loss)	(49,697)			(49,746)		49
Adoption of new accounting pronouncement	(388)			(388)
Other comprehensive income, net	(1,531)		(1,478)			(53)
Issuance (acquisition) of common stock	(1,575)				(1,575)
Transactions with noncontrolling interests	(137)	(39)				(98)
Ending Balance at Mar. 31, 2020	$ 375,235	$ 35,627	$ (6,721)	$ 352,359	$ (9,700)	$ 3,670