CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (1,195)	$ (9,383)	$ 2,907	$ (5,634)
Less net earnings (loss) attributable to noncontrolling interests	(51)	40	(161)	73
Net earnings (loss) attributable to the Company	(1,144)	(9,423)	3,068	(5,707)
Other comprehensive income (loss)
Investment securities	9	18	(5)	116
Currency translation adjustments	55	762	133	1,044
Cash flow hedges	24	(2)	(134)	10
Benefit plans	609	655	2,248	1,838
Other comprehensive income (loss)	695	1,433	2,241	3,010
Less: other comprehensive income (loss) attributable to noncontrolling interests	0	(58)	7	(43)
Other comprehensive income (loss) attributable to the Company	695	1,491	2,234	3,053
Comprehensive income (loss)	(499)	(7,950)	5,147	(2,624)
Less: comprehensive income (loss) attributable to noncontrolling interests	(50)	(19)	(154)	30
Comprehensive income (loss) attributable to the Company	$ (449)	$ (7,931)	$ 5,302	$ (2,654)