Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Preferred Stock Dividends and Other Adjustments	$ 10	$ 10
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(1,574)	0
Document Period End Date	Mar. 31, 2013
Revenues
Earned premiums	3,252	3,442
Fee income	707	1,134
Net investment income (loss):
Securities available-for-sale and other	856	1,070
Equity securities, trading	2,700	2,866
Total net investment income (loss)	3,556	3,936
Net realized capital gains (losses):
Total other-than-temporary impairment (OTTI) losses	(33)	(36)
OTTI losses recognized in other comprehensive income (OCI)	12	7
Net OTTI losses recognized in earnings	(21)	(29)
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	(1,574)	0
Net realized capital gains (losses), excluding net OTTI losses recognized in earnings	42	(881)
Total net realized capital losses	1,595	(910)
Other revenues	68	59
Total revenues	9,178	7,661
Benefits, losses and expenses
Benefits, losses and loss adjustment expenses	2,665	3,038
Benefits, losses and loss adjustment expenses - returns credited on international variable annuities	2,700	2,864
Amortization of deferred policy acquisition costs and present value of future profits	1,336	321
Insurance operating costs and other expenses	1,032	1,312
Loss on extinguishment of debt	213	0
Interest expense	107	124
Total benefits, losses and expenses	9,627	7,659
Income from continuing operations before income taxes	(449)	2
Income tax expense (benefit)	(208)	(95)
Income from continuing operations, net of tax	(241)	97
Income (loss) from discontinued operations, net of tax	0	(1)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(241)	96
Net income available to common shareholders	(251)	86
Income (loss) from continuing operations, net of tax, available to common shareholders per common share
Basic	$ (0.58)	$ 0.20
Diluted	$ (0.58)	$ 0.19
Net income available to common shareholders per common share
Basic	$ (0.58)	$ 0.20
Diluted	$ (0.58)	$ 0.18
Cash dividends declared per common share	$ 0.10	$ 0.10
Retirement Plans and Individual Life Businesses [Member]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	1,574	0
Net realized capital gains (losses):
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 1,574	$ 0