CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 1,694	$ 1,951	$ 3,624	$ 4,881
Less net earnings (loss) attributable to noncontrolling interests	(142)	(76)	(231)	(283)
Net earnings (loss) attributable to the Company	1,836	2,027	3,856	5,164
Other comprehensive income (loss)
Investment securities	21	97	213	715
Currency translation adjustments	513	(194)	1,854	(138)
Cash flow hedges	100	30	109	60
Benefit plans	423	548	2,032	1,481
Other comprehensive income (loss)	1,058	481	4,209	2,117
Less other comprehensive income (loss) attributable to noncontrolling interests	127	5	134	10
Other comprehensive income (loss) attributable to the Company	931	477	4,075	2,107
Comprehensive income (loss)	2,752	2,432	7,833	6,998
Less comprehensive income (loss) attributable to noncontrolling interests	(15)	(71)	(98)	(273)
Comprehensive income (loss) attributable to the Company	$ 2,766	$ 2,504	$ 7,931	$ 7,271