CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 669	$ 1,019	$ (444)	$ 832
Less net earnings (loss) attributable to noncontrolling interests	(132)	(38)	(98)	(142)
Net earnings (loss) attributable to the Company	800	1,057	(347)	974
Other comprehensive income (loss)
Investment securities	24	243	124	191
Currency translation adjustments	(1,669)	517	(838)	1,328
Cash flow hedges	(81)	(10)	(26)	9
Benefit plans	941	560	1,658	1,610
Other comprehensive income (loss)	(784)	1,310	918	3,138
Less other comprehensive income (loss) attributable to noncontrolling interests	(213)	1	(53)	7
Other comprehensive income (loss) attributable to the Company	(571)	1,309	971	3,131
Comprehensive income (loss)	(115)	2,329	474	3,970
Less comprehensive income (loss) attributable to noncontrolling interests	(345)	(37)	(151)	(135)
Comprehensive income (loss) attributable to the Company	$ 229	$ 2,366	$ 625	$ 4,105