Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 532	$ 226	$ 800	$ 496
Other Comprehensive Income (Loss), before Tax
Foreign currency translation adjustment, before tax	35	(72)	0	(226)
Pension and other postretirement benefit liabilities adjustment, before tax	4	14	10	35
Deferred gain (loss) on hedging activities, before tax	70	(10)	(27)	2
Unrealized gain (loss) on investments, before tax	3	36	(7)	(1)
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	0	(1)	1	2
Pension and other postretirement benefit liabilities adjustment, tax effect	(1)	(11)	(3)	(12)
Deferred gain (loss) on hedging activities, tax effect	(23)	5	10	0
Unrealized gain (loss) on investments, tax effect	0	(8)	3	3
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	35	(73)	1	(224)
Pension and other postretirement benefit liabilities adjustment, net of tax	3	3	7	23
Deferred gain (loss) on hedging activities, net of tax	47	(5)	(17)	2
Unrealized gain (loss) on investments, net of tax	3	28	(4)	2
Other comprehensive income (loss)	88	(47)	(13)	(197)
Comprehensive income (loss) including noncontrolling interests	620	179	787	299
Less: Comprehensive income (loss) attributable to noncontrolling interests	(1)	3	0	(5)
Comprehensive income (loss) attributable to controlling interests	$ 621	$ 176	$ 787	$ 304