Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 1,064	$ 693
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	149	294
Pension and other postretirement benefit liabilities adjustment, before tax	37	18
Unrealized gain (loss) on investments, before tax	(5)	(1)
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	(31)	(56)
Pension and other postretirement benefit liabilities adjustment, tax effect	(7)	(5)
Unrealized gain (loss) on investments, tax effect	0	0
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	118	238
Pension and other postretirement benefit liabilities adjustment, net of tax	30	13
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Before Tax	282	101
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, Tax	(47)	(25)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, After Tax	235	76
Unrealized gain (loss) on investments, net of tax	(5)	(1)
Other comprehensive income (loss)	378	326
Comprehensive income (loss) including noncontrolling interests	1,442	1,019
Less: Comprehensive income (loss) attributable to noncontrolling interests	5	4
Comprehensive income (loss) attributable to controlling interests	$ 1,437	$ 1,015