Acquisitions and Dispositions (Details - Finans Emeklilik Condensed Balance Sheet) (USD $) In Millions, unless otherwise specified	Nov. 09, 2012
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract]
Separate account assets	$ 99
Finans Emeklilik [Member]
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract]
Investments	23
Cash and cash equivalents	54
Value of business acquired (reported in Deferred policy acquisition costs in Condensed Balance Sheet)	28
Goodwill	113
Other assets, including other intangibles	100
Total assets acquired	417
Insurance liabilities	58
Accounts payable, accrued expenses and other liabilities	33
Separate account liabilities	99
Total liabilities acquired	190
Redeemable noncontrolling interest	111
Net assets acquired	$ 116