CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 3,645	$ (1,113)
Less net earnings (loss) attributable to noncontrolling interests	57	34
Net earnings (loss) attributable to the Company	3,588	(1,147)
Other comprehensive income (loss)
Investment securities	24	99
Currency translation adjustments	423	830
Cash flow hedges	38	55
Benefit plans	545	717
Other comprehensive income (loss)	1,031	1,702
Less other comprehensive income (loss) attributable to noncontrolling interests	101	160
Other comprehensive income (loss) attributable to the Company	930	1,542
Comprehensive income (loss)	4,675	588
Less comprehensive income (loss) attributable to noncontrolling interests	158	194
Comprehensive income (loss) attributable to the Company	$ 4,517	$ 395