Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 1,172	$ 1,064
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	153	149
Pension and other postretirement benefit liabilities adjustment, before tax	(26)	37
Unrealized gain (loss) on investments, before tax	4	(5)
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	14	(31)
Pension and other postretirement benefit liabilities adjustment, tax effect	(13)	(7)
Unrealized gain (loss) on investments, tax effect	(1)	0
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	167	118
Pension and other postretirement benefit liabilities adjustment, net of tax	(39)	30
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Before Tax	(104)	282
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, Tax	16	(47)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, After Tax	(88)	235
Unrealized gain (loss) on investments, net of tax	3	(5)
Other comprehensive income (loss)	43	378
Comprehensive income (loss) including noncontrolling interests	1,215	1,442
Less: Comprehensive income (loss) attributable to noncontrolling interests	(1)	5
Comprehensive income (loss) attributable to controlling interests	$ 1,216	$ 1,437