Equity Changes in Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 13, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 5,328,989	$ 5,255,903	$ 4,905,730	$ 5,488,336	$ 5,586,468
Net income	256,592	312,689	677,654	853,190
Other comprehensive income (loss)	(88,650)	139,088	138,586	(173,781)
Dividends paid	(64,377)	(59,575)	(187,705)	(178,606)
Stock incentive plan activity	28,996	28,912	85,282	68,744
Acquisition activity		(70,549)	820	139,443
Shares purchased at cost	(49,142)	(20,000)	(206,319)	(331,972)
Ending balance	5,412,408		5,412,408		5,586,468
Shareholders' Equity [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	5,325,717	5,158,126	4,896,515	5,383,854	5,577,592
Net income	256,560	312,074	677,263	849,858
Other comprehensive income (loss)	(88,696)	166,189	140,064	(148,172)
Dividends paid	(64,377)	(59,015)	(186,978)	(171,106)
Stock incentive plan activity	28,996	28,912	85,282	68,744
Acquisition activity		(8,694)	(3,231)	73,614
Shares purchased at cost	(49,142)	(20,000)	(206,319)	(331,972)
Ending balance	5,409,058		5,409,058		5,577,592
Noncontrolling Interests [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	3,272	97,777	9,215	104,482	8,876
Net income	32	615	391	3,332
Other comprehensive income (loss)	46	(27,101)	(1,478)	(25,609)
Dividends paid	0	(560)	(727)	(7,500)
Stock incentive plan activity	0	0	0	0
Acquisition activity		(61,855)	4,051	65,829
Shares purchased at cost	0	0	0	0
Ending balance	$ 3,350		$ 3,350		$ 8,876