- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References+ Details

Accumulated Other Comprehensive (Loss) Income - Accumulated Other Comprehensive (Loss) Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			$ (1,001)
Other comprehensive income before reclassifications, net of taxes			(647)
Amounts reclassified into income, net of taxes			25
Accumulated other comprehensive (loss) income, ending balance	(1,623)		(1,623)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			(270)
Other comprehensive income before reclassifications, net of taxes			(638)
Accumulated other comprehensive (loss) income, ending balance	(908)		(908)
Benefit Plans Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			(705)
Amounts reclassified into income, net of taxes	11	8	22	17
Accumulated other comprehensive (loss) income, ending balance	(683)		(683)
Unrealized Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			(26)
Other comprehensive income before reclassifications, net of taxes			(8)
Amounts reclassified into income, net of taxes	2	1	3	2
Accumulated other comprehensive (loss) income, ending balance	$ (32)		$ (32)