Quarterly Financial Data (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended										6 Months Ended		12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Quarterly Financial Data [Abstract]
Net Sales	$ 24,921	$ 21,808	$ 22,675	$ 21,155	$ 23,306	$ 21,902	$ 22,870	$ 20,077	$ 20,930	$ 16,799	$ 46,729	$ 45,208	$ 89,038	$ 80,676	$ 61,682
Gross Profit	996	806	813	1,008	813	1,034	1,098	1,160	1,234	808	1,802	1,847	3,668	4,300	3,843
Net Earnings Attributable to Controlling Interests	$ 510	$ 182	$ 284	$ 399	$ 80	$ 460	$ 381	$ 578	$ 732	$ 345	$ 692	$ 540	$ 1,223	$ 2,036	$ 1,930
Basic Earnings Per Common Share	$ 0.77	$ 0.28	$ 0.43	$ 0.60	$ 0.12	$ 0.68	$ 0.59	$ 0.91	$ 1.15	$ 0.54	$ 1.05	$ 0.81	$ 1.84	$ 3.17	$ 3.00
Diluted Earnings Per Common Share	$ 0.77	$ 0.28	$ 0.43	$ 0.60	$ 0.12	$ 0.68	$ 0.58	$ 0.86	$ 1.14	$ 0.54	$ 1.05	$ 0.81	$ 1.84	$ 3.13	$ 3.00