Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Jun. 30, 2011
Statement of Comprehensive Income [Abstract]
Net earnings including noncontrolling interests	$ 694	$ 544	$ 1,354	$ 1,392	$ 1,242	$ 2,018
Other Comprehensive Income (Loss), Before tax
Foreign currency translation adjustment, before tax	371	(707)	125	327	(751)	859
Pension and other postretirement benefit liabilities adjustment, before tax	292	11	411	(284)	(565)	300
Deferred gain (loss) on hedging avtivities, before tax	(72)	3	2	(39)	36	(3)
Unrealized gain (loss) on investments, before tax	(1)	(65)	0	(26)	(90)	36
Other Comprehensive Income (Loss), Tax
Foreign currency translation adjustment, tax effect	(51)	0	2	9	60	0
Pension and other postretirement benefit liabilities adjustment, tax effect	(100)	(3)	(154)	105	202	(106)
Deferred gain (loss) on hedging activities, tax effect	26	(2)	(1)	13	(15)	2
Unrealized gain (loss) on investments, tax effect	0	24	(1)	10	34	(13)
Other Comprehensive Income (Loss), Net of Tax
Foreign currency translation adjustment, net of tax	320	(707)	127	336	(691)	859
Pension and other postretirement benefit liabilities adjustment, net of tax	192	8	257	(179)	(363)	194
Deferred gain (loss) on hedging activities, net of tax	(46)	1	1	(26)	21	(1)
Unrealized gain (loss) on investments, net of tax	(1)	(41)	(1)	(16)	(56)	23
Other comprehensive income (loss)	465	(739)	384	115	(1,089)	1,075
Comprehensive income (loss)	1,159	(195)	1,738	1,507	153	3,093
Less: Comprehensive income (loss) attributable to noncontrolling interests	10	4	3	19	13	(18)
Comprehensive income (loss) attributable to controlling interests	$ 1,149	$ (199)	$ 1,735	$ 1,488	$ 140	$ 3,111