Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 493	$ 268
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	(702)	(35)
Pension and other postretirement benefit liabilities adjustment, before tax	42	6
Deferred gain (loss) on hedging activities, before tax	(56)	(97)
Unrealized gain (loss) on investments, before tax	43	(10)
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	32	1
Pension and other postretirement benefit liabilities adjustment, tax effect	(19)	(2)
Deferred gain (loss) on hedging activities, tax effect	21	33
Unrealized gain (loss) on investments, tax effect	0	3
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	(670)	(34)
Pension and other postretirement benefit liabilities adjustment, net of tax	23	4
Deferred gain (loss) on hedging activities, net of tax	(35)	(64)
Unrealized gain (loss) on investments, net of tax	43	(7)
Other comprehensive income (loss)	(639)	(101)
Comprehensive income (loss) including noncontrolling interests	(146)	167
Less: Comprehensive income (loss) attributable to noncontrolling interests	(1)	1
Comprehensive income (loss) attributable to controlling interests	$ (145)	$ 166