Restructuring Reserve by Type of Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	24 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2013	Jun. 30, 2013
Restructuring Reserve [Roll Forward]
Beginning accrual balance		$ 323	$ 323
Charges Previously Reported	173	129	302	2,000
Cash Spent			(195)
Charges Against Assets			(66)
Ending accrual balance	364		364	323
Separations
Restructuring Reserve [Roll Forward]
Beginning accrual balance		296	296
Charges Previously Reported	74	53		1,100
Cash Spent			(79)
Charges Against Assets			0
Ending accrual balance	344		344	296
Asset-Related Costs
Restructuring Reserve [Roll Forward]
Beginning accrual balance		0	0
Charges Previously Reported	13	53		487
Cash Spent			0
Charges Against Assets			(66)
Ending accrual balance	0		0	0
Other Costs
Restructuring Reserve [Roll Forward]
Beginning accrual balance		27	27
Charges Previously Reported	86	23		431
Cash Spent			(116)
Charges Against Assets			0
Ending accrual balance	$ 20		$ 20	$ 27