Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 288	$ 383	$ 518	$ 876
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	(218)	177	(16)	(525)
Pension and other postretirement benefit liabilities adjustment, before tax	15	(4)	16	38
Deferred gain (loss) on hedging activities, before tax	(21)	38	(11)	(18)
Unrealized gain (loss) on investments, before tax	45	(20)	12	23
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	(10)	(6)	13	26
Pension and other postretirement benefit liabilities adjustment, tax effect	(3)	0	(3)	(19)
Deferred gain (loss) on hedging activities, tax effect	2	(9)	0	12
Unrealized gain (loss) on investments, tax effect	(1)	(2)	(3)	(2)
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	(228)	171	(3)	(499)
Pension and other postretirement benefit liabilities adjustment, net of tax	12	(4)	13	19
Deferred gain (loss) on hedging activities, net of tax	(19)	29	(11)	(6)
Unrealized gain (loss) on investments, net of tax	44	(22)	9	21
Other comprehensive income (loss)	(191)	174	8	(465)
Comprehensive income (loss) including noncontrolling interests	97	557	526	411
Less: Comprehensive income (loss) attributable to noncontrolling interests	4	(3)	4	(4)
Comprehensive income (loss) attributable to controlling interests	$ 93	$ 560	$ 522	$ 415