Investments In And Advances To Affiliates (Combined Balance Sheets And Statements Of Earnings Of The Company's Unconsolidated Affiliates) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Combined balance sheets and statements of earnings of the Company's unconsolidated affiliates:
Current assets	$ 26,569		$ 28,196	$ 26,222
Non-current assets	19,429		20,821	17,733
Current liabilities	(22,602)		(23,381)	(20,748)
Non-current liabilities	(5,553)		(6,379)	(5,160)
Noncontrolling interests	(850)		(1,176)	(1,072)
Net assets	16,993		18,081	16,975
Net sales	28,314	29,767	58,068	48,941	39,524
Gross profit	2,847	3,291	6,458	4,819	5,225
Net income	$ 855	$ 1,022	$ 1,940	$ 2,252	$ 2,931