- 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

Basis of Presentation and Summary of Significant Accounting Policies AOCI Changes Net of Tax (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Accumulated Net Unrealized Investment Gain (Loss) [Member]	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss) [Member]	Jun. 29, 2013 Accumulated Other Comprehensive Income (Loss) [Member]	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss) [Member]	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 29, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]	Jun. 29, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]	Jun. 30, 2013 Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI (Loss), Net of Tax - Period Start			$ (182)		$ 8			$ (182)			$ (189)			$ 7
Other Comprehensive Income (Loss) before tax							(5)			0			(5)
Reclassification of impairment of investment, net of income tax expense (benefit) of $4 million and $0						(1)	17	17	(1)	11	11	0	6	6
Other Comprehensive Income (Loss), Net of Tax	0	(23)	12	(15)				12			11			1
AOCI (Loss), Net of Tax - Period End	$ (170)		$ (170)		$ 8				$ (178)		$ (178)