[Line Items] for Changes to Restructuring Reserve - 2013 Restructuring Plan [Table]

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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.

+ References

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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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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
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Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost.

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-Name Accounting Standards Codification
-Topic 420
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Significant Restructuring Costs Changes to Restructuring Reserve - 2013 Restructuring Plan (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve	$ (229)	$ 0	$ (229)	$ 0
2013 Restructuring Plan
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							$ (985)
Restructuring Reserve, Beginning Balance			(68)	(191)	$ (191)	$ (342)
Payments for Restructuring			(33)		(113)	(147)	(26)
Restructuring Reserve, Settled without Cash			(1)		(10)	(11)	(586)
Restructuring Reserve, Ending Balance	(34)		(34)		(68)	(191)	(342)
2013 Restructuring Plan \| Employee Severance
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							(392)
Restructuring Reserve, Beginning Balance			(85)	(198)	(198)	(335)
Payments for Restructuring			(33)		(113)	(144)	(26)
Restructuring Reserve, Settled without Cash			0		0	0	0
Restructuring Reserve, Ending Balance	(52)		(52)		(85)	(198)	(335)
2013 Restructuring Plan \| Fixed Asset Impairment
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							(156)
Restructuring Reserve, Beginning Balance			0	0	0	0
Payments for Restructuring			0		0	0	0
Restructuring Reserve, Settled without Cash			0		0	0	(156)
Restructuring Reserve, Ending Balance	0		0		0	0	0
2013 Restructuring Plan \| Goodwill Impairment
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							(430)
Restructuring Reserve, Beginning Balance			0	0	0	0
Payments for Restructuring			0		0	0	0
Restructuring Reserve, Settled without Cash			0		0	0	(430)
Restructuring Reserve, Ending Balance	0		0		0	0	0
2013 Restructuring Plan \| Other Restructuring
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							(7)
Restructuring Reserve, Beginning Balance			0	0	0	(3)
Payments for Restructuring			0		0	(3)	0
Restructuring Reserve, Settled without Cash			0		0	0	(4)
Restructuring Reserve, Ending Balance	0		0		0	0	(3)
2013 Restructuring Plan \| Currency Translation
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							0
Restructuring Reserve, Beginning Balance			(17)	$ (7)	(7)	(4)
Payments for Restructuring			0		0	0	0
Restructuring Reserve, Settled without Cash			(1)		(10)	(11)	(4)
Restructuring Reserve, Ending Balance	$ (18)		$ (18)		$ (17)	(7)	(4)
Transfer To Held for Sale [Member] \| 2013 Restructuring Plan
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve						(24)	(31)
Transfer To Held for Sale [Member] \| 2013 Restructuring Plan \| Employee Severance
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve						(24)	(31)
Transfer To Held for Sale [Member] \| 2013 Restructuring Plan \| Fixed Asset Impairment
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve						0	0
Transfer To Held for Sale [Member] \| 2013 Restructuring Plan \| Goodwill Impairment
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve						0	0
Transfer To Held for Sale [Member] \| 2013 Restructuring Plan \| Other Restructuring
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve						0	0
Transfer To Held for Sale [Member] \| 2013 Restructuring Plan \| Currency Translation
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve						0	0
Continuing Operations \| 2013 Restructuring Plan
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							(903)
Continuing Operations \| Building Efficiency Products North America \| 2013 Restructuring Plan
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							(28)
Continuing Operations \| Building Efficiency Systems and Service North America \| 2013 Restructuring Plan
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Original Reserve							$ (35)
Transfer From Held for Sale [Member] \| 2013 Restructuring Plan
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Restructuring Reserve, Accrual Adjustment						31
Transfer From Held for Sale [Member] \| 2013 Restructuring Plan \| Employee Severance
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Restructuring Reserve, Accrual Adjustment						31
Transfer From Held for Sale [Member] \| 2013 Restructuring Plan \| Fixed Asset Impairment
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Restructuring Reserve, Accrual Adjustment						0
Transfer From Held for Sale [Member] \| 2013 Restructuring Plan \| Goodwill Impairment
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Restructuring Reserve, Accrual Adjustment						0
Transfer From Held for Sale [Member] \| 2013 Restructuring Plan \| Other Restructuring
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Restructuring Reserve, Accrual Adjustment						0
Transfer From Held for Sale [Member] \| 2013 Restructuring Plan \| Currency Translation
Changes to Restructuring Reserve - 2013 Restructuring Plan [Line Items]
Restructuring Reserve, Accrual Adjustment						$ 0