Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 719	$ 1,172
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	4	153
Pension and other postretirement benefit liabilities adjustment, before tax	(4)	(26)
Unrealized gain (loss) on investments, before tax	(7)	4
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	(20)	14
Pension and other postretirement benefit liabilities adjustment, tax effect	1	(13)
Unrealized gain (loss) on investments, tax effect	(1)	(1)
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	(16)	167
Pension and other postretirement benefit liabilities adjustment, net of tax	(3)	(39)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Before Tax	(69)	(104)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, Tax	10	16
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, After Tax	(59)	(88)
Unrealized gain (loss) on investments, net of tax	(8)	3
Other comprehensive income (loss)	(86)	43
Comprehensive income (loss) including noncontrolling interests	633	1,215
Less: Comprehensive income (loss) attributable to noncontrolling interests	(13)	(1)
Comprehensive income (loss) attributable to controlling interests	$ 646	$ 1,216