Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Activities:
Net earnings, including noncontrolling interests	$ 402	$ 319	$ 426
Adjustments:
Depreciation and amortization	257	180	202
Annuity benefits	541	510	444
Realized gains on investing activities	(367)	(74)	(92)
Net (purchases) sales of trading securities	17	(45)	(11)
Deferred annuity and life policy acquisition costs	(212)	(239)	(195)
Change in:
Reinsurance and other receivables	(495)	(228)	555
Other assets	(51)	(101)	(1)
Insurance claims and reserves	918	134	(413)
Payable to reinsurers	0	155	(150)
Other liabilities	(180)	245	4
Managed investment entities' assets/liabilities	(21)	(212)	89
Other operating activities, net	8	23	6
Net cash provided by operating activities	817	667	864
Investing Activities:
Purchases of fixed maturities	(4,458)	(5,321)	(4,979)
Purchases of equity securities	(281)	(397)	(223)
Purchases of mortgage loans	(269)	(190)	(159)
Purchases of real estate, property and equipment	(71)	(86)	(74)
Purchases of subsidiaries	0	0	(128)
Proceeds from maturities and redemptions of fixed maturities	2,262	1,974	2,081
Proceeds from repayments of mortgage loans	46	269	71
Proceeds from sales of fixed maturities	632	1,293	1,540
Proceeds from sales of equity securities	437	198	49
Proceeds from sales of real estate, property and equipment	4	3	4
Proceeds from sales of subsidiaries	322	9	0
Cash and cash equivalents of businesses acquired or sold, net	(34)	(5)	95
Managed investment entities:
Purchases of investments	(1,849)	(1,563)	(1,008)
Proceeds from sales and redemptions of investments	1,857	1,391	1,018
Other investing activities, net	(23)	(14)	8
Net cash used in investing activities	(1,425)	(2,439)	(1,705)
Financing Activities:
Annuity receipts	2,993	3,326	2,282
Annuity surrenders, benefits and withdrawals	(1,504)	(1,321)	(1,221)
Net transfers from variable annuity assets	36	39	7
Additional long-term borrowings	372	2	159
Reductions of long-term debt	(365)	(20)	(39)
Issuances of managed investment entities' liabilities	781	394	0
Retirement of managed investment entities' liabilities	(830)	(66)	(45)
Issuances of Common Stock	46	39	32
Repurchases of Common Stock	(415)	(315)	(292)
Cash dividends paid on Common Stock	(90)	(67)	(63)
Other financing activities, net	(35)	(14)	0
Net cash provided by financing activities	989	1,997	820
Net Change in Cash and Cash Equivalents	381	225	(21)
Cash and cash equivalents at beginning of year	1,324	1,099	1,120
Cash and cash equivalents at end of year	$ 1,705	$ 1,324	$ 1,099