Restructuring Reserve by Type of Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	36 Months Ended
Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2014	Jun. 30, 2014
Restructuring Reserve [Roll Forward]
Restructuring Reserve		$ 381us-gaap_RestructuringReserve	$ 381us-gaap_RestructuringReserve
Restructuring charges	183us-gaap_RestructuringCharges	158us-gaap_RestructuringCharges	341us-gaap_RestructuringCharges	2,800us-gaap_RestructuringCharges
Cash Spent			(280)us-gaap_PaymentsForRestructuring
Charges Against Assets			(90)
Restructuring Reserve	352us-gaap_RestructuringReserve		352us-gaap_RestructuringReserve	381us-gaap_RestructuringReserve
Separations
Restructuring Reserve [Roll Forward]
Restructuring Reserve		353	353
Restructuring charges	98	81		1,500
Cash Spent			(200)
Charges Against Assets
Restructuring Reserve	332		332	353
Asset-Related Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve		0	0
Restructuring charges	40	50		666
Cash Spent			0
Charges Against Assets			(90)
Restructuring Reserve	0		0	0
Other Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve		28	28
Restructuring charges	45	27		680
Cash Spent			(80)
Charges Against Assets
Restructuring Reserve	$ 20		$ 20	$ 28

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section P

-Subsection 3, 4

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 420

-SubTopic 10

-Section S99

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- Definition

Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 420

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