Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 2,735	$ 1,782	$ 1,379
Other Comprehensive Income (Loss), Before tax
Foreign currency translation adjustment, before tax	279	(362)	(176)
Pension and other postretirement benefit liabilities adjustment, before tax	289	(113)	(98)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Before Tax	33	254	(91)
Unrealized gain (loss) on investments, before tax	(2)	(27)	13
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	(103)	97	(12)
Pension and other postretirement benefit liabilities adjustment, tax effect	(71)	16	50
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, Tax	7	(57)	18
Unrealized gain (loss) on investments, tax effect	0	0	(1)
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	176	(265)	(188)
Pension and other postretirement benefit liabilities adjustment, net of tax	218	(97)	(48)
Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), After Reclassification Adjustment, After Tax	40	197	(73)
Unrealized gain (loss) on investments, net of tax	(2)	(27)	12
Other comprehensive income (loss)	432	(192)	(297)
Comprehensive income (loss)	3,167	1,590	1,082
Less:  Comprehensive income (loss) attributable to noncontrolling interests	26	17	2
Comprehensive income (loss) attributable to controlling interests	$ 3,141	$ 1,573	$ 1,080