Debt And Financing Arrangements (Long-Term Debt) (Details) (USD $)			12 Months Ended		1 Months Ended	12 Months Ended		12 Months Ended			12 Months Ended			12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Floating Rate Notes $1.4 Billion Face Amount, Due In 2012 [Member]	Jun. 30, 2011 Floating Rate Notes $1.4 Billion Face Amount, Due In 2012 [Member]	Feb. 28, 2007 0.875% Convertible Senior Notes $1.15 Billion Face Amount, Due In 2014 [Member]	Jun. 30, 2012 0.875% Convertible Senior Notes $1.15 Billion Face Amount, Due In 2014 [Member]	Jun. 30, 2011 0.875% Convertible Senior Notes $1.15 Billion Face Amount, Due In 2014 [Member]	Jun. 30, 2012 5.765% Debentures $1.0 Billion Face Amount, Due In 2041 [Member]	Jun. 30, 2011 5.765% Debentures $1.0 Billion Face Amount, Due In 2041 [Member]	Mar. 30, 2011 5.765% Debentures $1.0 Billion Face Amount, Due In 2041 [Member]	Jun. 30, 2012 4.479% Debentures $750 Million Face Amount, Due In 2021 [Member]	Jun. 30, 2011 4.479% Debentures $750 Million Face Amount, Due In 2021 [Member]	Mar. 30, 2011 4.479% Debentures $750 Million Face Amount, Due In 2021 [Member]	Jun. 30, 2012 5.45% Notes $700 Million Face Amount, Due In 2018 [Member]	Jun. 30, 2011 5.45% Notes $700 Million Face Amount, Due In 2018 [Member]	Jun. 30, 2012 5.375% Debentures $600 Million Face Amount, Due In 2035 [Member]	Jun. 30, 2011 5.375% Debentures $600 Million Face Amount, Due In 2035 [Member]	Jun. 30, 2012 5.935% Debentures $500 Million Face Amount, Due In 2032 [Member]	Jun. 30, 2011 5.935% Debentures $500 Million Face Amount, Due In 2032 [Member]	Jun. 30, 2012 4.535% Debentures $528 Million Face Amount, Due In 2042 [Member]	Sep. 26, 2011 4.535% Debentures $528 Million Face Amount, Due In 2042 [Member]	Jun. 30, 2012 8.375% Debentures $295 Million Face Amount, Due In 2017 [Member]	Jun. 30, 2011 8.375% Debentures $295 Million Face Amount, Due In 2017 [Member]	Jun. 30, 2012 7.125% Debentures $243 Million Face Amount, Due In 2013 [Member]	Jun. 30, 2011 7.125% Debentures $243 Million Face Amount, Due In 2013 [Member]	Jun. 30, 2012 7.5% Debentures $222 Million Face Amount, Due In 2027 [Member]	Sep. 26, 2011 7.5% Debentures $222 Million Face Amount, Due In 2027 [Member]	Jun. 30, 2011 7.5% Debentures $222 Million Face Amount, Due In 2027 [Member]	Jun. 30, 2012 6.625% Debentures $197 Million Face Amount, Due In 2029 [Member]	Sep. 26, 2011 6.625% Debentures $197 Million Face Amount, Due In 2029 [Member]	Jun. 30, 2011 6.625% Debentures $197 Million Face Amount, Due In 2029 [Member]	Jun. 30, 2012 7.0% Debentures $194 Million Face Amount, Due In 2031 [Member]	Sep. 26, 2011 7.0% Debentures $194 Million Face Amount, Due In 2031 [Member]	Jun. 30, 2011 7.0% Debentures $194 Million Face Amount, Due In 2031 [Member]	Jun. 30, 2012 6.95% Debentures $176 Million Face Amount, Due In 2097 [Member]	Sep. 26, 2011 6.95% Debentures $176 Million Face Amount, Due In 2097 [Member]	Jun. 30, 2011 6.95% Debentures $176 Million Face Amount, Due In 2097 [Member]	Jun. 30, 2012 6.45% Debentures $158 Million Face Amount, Due In 2038 [Member]	Sep. 26, 2011 6.45% Debentures $158 Million Face Amount, Due In 2038 [Member]	Jun. 30, 2011 6.45% Debentures $158 Million Face Amount, Due In 2038 [Member]	Jun. 30, 2012 6.75% Debentures $141 Million Face Amount, Due In 2027 [Member]	Sep. 26, 2011 6.75% Debentures $141 Million Face Amount, Due In 2027 [Member]	Jun. 30, 2011 6.75% Debentures $141 Million Face Amount, Due In 2027 [Member]	Jun. 30, 2012 8.125% Debentures $103 Million Face Amount, Due In 2012 [Member]	Jun. 30, 2011 8.125% Debentures $103 Million Face Amount, Due In 2012 [Member]	Jun. 30, 2012 Other [Member]	Jun. 30, 2011 Other [Member]
Debt Instruments [Line Items]
Total long-term debt including current maturities	$ 8,212,000,000	$ 8,444,000,000	$ 1,399,000,000	$ 1,500,000,000		$ 1,071,000,000	$ 1,026,000,000	$ 1,007,000,000	$ 1,008,000,000		$ 755,000,000	$ 756,000,000		$ 700,000,000	$ 700,000,000	$ 588,000,000	$ 587,000,000	$ 495,000,000	$ 495,000,000	$ 370,000,000		$ 293,000,000	$ 292,000,000	$ 243,000,000	$ 243,000,000	$ 221,000,000		$ 281,000,000	$ 196,000,000		$ 296,000,000	$ 193,000,000		$ 244,000,000	$ 173,000,000		$ 246,000,000	$ 157,000,000		$ 215,000,000	$ 139,000,000		$ 197,000,000		$ 103,000,000	$ 212,000,000	$ 255,000,000
Current maturities	(1,677,000,000)	(178,000,000)
Total long-term debt	6,535,000,000	8,266,000,000
Debt instrument face amount		$ 1,750,000,000	$ 1,400,000,000	$ 1,500,000,000		$ 1,150,000,000		$ 1,000,000,000			$ 750,000,000			$ 700,000,000		$ 600,000,000		$ 500,000,000		$ 528,000,000		$ 295,000,000		$ 243,000,000		$ 222,000,000		$ 282,000,000	$ 197,000,000		$ 298,000,000	$ 194,000,000		$ 246,000,000	$ 176,000,000		$ 250,000,000	$ 158,000,000		$ 215,000,000	$ 141,000,000		$ 200,000,000	$ 103,000,000
Interest rate stated percentage		4.70%	0.63%		0.875%	0.875%		5.765%		5.765%	4.479%		4.479%	5.45%		5.375%		5.935%		4.535%	4.535%	8.375%		7.125%		7.50%	7.50%		6.625%	6.625%		7.00%	7.00%		6.95%	6.95%		6.45%	6.45%		6.75%	6.75%		8.125%
Debt instrument, maturity year			2012		2014	2014		2041			2021			2018		2035		2032		2042		2017		2013		2027			2029			2031			2097			2038			2027			2012