Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 824	$ 1,037	$ 2,924	$ 3,341
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	(245)	(221)	(57)	(79)
Pension and other postretirement benefit liabilities adjustment, before tax	0	8	(32)	45
Unrealized gain (loss) on investments, before tax	5	0	13	(13)
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	(36)	(74)	(8)	(189)
Pension and other postretirement benefit liabilities adjustment, tax effect	(3)	(2)	(12)	(13)
Unrealized gain (loss) on investments, tax effect	0	1	(2)	2
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	(281)	(295)	(65)	(268)
Pension and other postretirement benefit liabilities adjustment, net of tax	(3)	6	(44)	32
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Before Tax	128	43	(13)	245
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, Tax	(28)	(5)	4	(50)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, After Tax	100	38	(9)	195
Unrealized gain (loss) on investments, net of tax	5	1	11	(11)
Other comprehensive income (loss)	(179)	(250)	(107)	(52)
Comprehensive income (loss) including noncontrolling interests	645	787	2,817	3,289
Less: Comprehensive income (loss) attributable to noncontrolling interests	2	3	1	8
Comprehensive income (loss) attributable to controlling interests	$ 643	$ 784	$ 2,816	$ 3,281