CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ (2,798)	$ 6,233
Less net earnings (loss) attributable to noncontrolling interests	5	34
Net earnings (loss) attributable to the Company	(2,802)	6,199
Other comprehensive income (loss)
Investment securities	(18)	(41)
Currency translation adjustments	110	135
Cash flow hedges	62	(211)
Benefit plans	705	1,035
Other comprehensive income (loss)	859	918
Less: other comprehensive income (loss) attributable to noncontrolling interests	3	5
Other comprehensive income (loss) attributable to the Company	856	913
Comprehensive income (loss)	(1,939)	7,152
Less: comprehensive income (loss) attributable to noncontrolling interests	8	39
Comprehensive income (loss) attributable to the Company	$ (1,947)	$ 7,113