XML 28 R67.htm IDEA: XBRL DOCUMENT

Investments - Changes in Valuation Reserves, Commercial Mortgage Loans (Details) (Commercial Real Estate Portfolio Segment [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Reserve balance, January 1,	$ 7	$ 19
Increase in valuation reserves	4	10
Transfers to other long-term investments	0	(16)
Reserve balance, June 30,	$ 11	$ 13

The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

+ References+ Details