Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 3,466	$ 4,365	$ 2,735
Other Comprehensive Income (Loss), Before tax
Foreign currency translation adjustment, before tax	48	(301)	279
Pension and other postretirement benefit liabilities adjustment, before tax	(88)	140	289
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Before Tax	15	(84)	33
Unrealized gain (loss) on investments, before tax	16	(12)	(2)
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	32	(93)	(103)
Pension and other postretirement benefit liabilities adjustment, tax effect	2	(15)	(71)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, Tax	(5)	7	7
Unrealized gain (loss) on investments, tax effect	(1)	1	0
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	80	(394)	176
Pension and other postretirement benefit liabilities adjustment, net of tax	(86)	125	218
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, After Tax	10	(77)	40
Unrealized gain (loss) on investments, net of tax	15	(11)	(2)
Other comprehensive income (loss)	19	(357)	432
Comprehensive income (loss)	3,485	4,008	3,167
Less:  Comprehensive income (loss) attributable to noncontrolling interests	(20)	5	26
Comprehensive income (loss) attributable to controlling interests	$ 3,505	$ 4,003	$ 3,141