Statement of Cash Flows (Unaudited) (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows from Operating Activities
Net Income	$ 1,038	$ 887
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	252	204
Realized investment gains	(56)	(44)
Deferred income taxes	201	182
Gains on sale of businesses (excluding discontinued operations)	(20)	(20)
Net changes in assets and liabilities, net of non-operating effects:
Premiums, accounts and notes receivable	(133)	(55)
Reinsurance recoverables	8	12
Deferred policy acquisition costs	(168)	(118)
Other assets	(299)	(191)
Insurance liabilities	380	409
Accounts payable, accrued expenses and other liabilities	293	16
Current income taxes	(202)	38
Other, net	(51)	(37)
Net cash provided by operating activities	1,243	1,283
Proceeds from investments sold:
Fixed maturities	452	685
Equity securities	5	3
Commercial mortgage loans	166	45
Other (primarily short-term and other long-term investments)	999	800
Investment maturities and repayments:
Fixed maturities	943	575
Commercial mortgage loans	274	60
Investments purchased:
Fixed maturities	(2,309)	(2,047)
Equity securities	(18)	(5)
Commercial mortgage loans	(279)	(160)
Other (primarily short-term and other long-term investments)	(1,169)	(473)
Property and equipment purchases	(291)	(209)
Acquisitions and dispositions. net	1	(332)
Net cash used in investing activities	(1,226)	(1,058)
Cash Flows from Financing Activities
Deposits and interest credited to contractholder deposit funds	1,002	1,019
Withdrawals and benefit payments from contractholder deposit funds	(895)	(920)
Change in cash overdraft position	(57)	38
Net change in short-term debt	(222)	0
Issuance of long-term debt	587	296
Repayment of long-term debt	(2)	(2)
Repurchase of common stock	(225)	(201)
Issuance of common stock	100	31
Common dividends paid	(11)	(11)
Net cash provided by financing activities	277	250
Effect of foreign currency rate changes on cash and cash equivalents	3	5
Net increase (decrease) in cash and cash equivalents	297	480
Cash and cash equivalents, January 1,	1,605	924
Cash and cash equivalents, September 30,	1,902	1,404
Supplemental Disclosure of Cash Information:
Income taxes paid, net of refunds	466	215
Interest paid	$ 124	$ 116