Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 230	$ 493
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	202	(702)
Pension and other postretirement benefit liabilities adjustment, before tax	1	42
Deferred gain (loss) on hedging activities, before tax	10	(56)
Unrealized gain (loss) on investments, before tax	(33)	43
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	23	32
Pension and other postretirement benefit liabilities adjustment, tax effect	0	(19)
Deferred gain (loss) on hedging activities, tax effect	(2)	21
Unrealized gain (loss) on investments, tax effect	(2)	0
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	225	(670)
Pension and other postretirement benefit liabilities adjustment, net of tax	1	23
Deferred gain (loss) on hedging activities, net of tax	8	(35)
Unrealized gain (loss) on investments, net of tax	(35)	43
Other comprehensive income (loss)	199	(639)
Comprehensive income (loss) including noncontrolling interests	429	(146)
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	(1)
Comprehensive income (loss) attributable to controlling interests	$ 429	$ (145)