Consolidated Statements of Cash Flows Consolidated Statements of Cash Flows (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Cash Flow Statements, Captions [Line Items]
Payments to Acquire Property, Plant, and Equipment	$ (121,000,000)	$ (64,000,000)	$ (66,000,000)
Operating Activities
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	798,000,000us-gaap_ProfitLoss	176,000,000us-gaap_ProfitLoss	(38,000,000)us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities
Amortization of deferred policy acquisition costs and present value of future profits	(1,729,000,000)	(2,701,000,000)	(1,988,000,000)
Additions to deferred policy acquisition costs and present value of future profits	(1,364,000,000)	(1,330,000,000)	(1,639,000,000)
Change in reserve for future policy benefits and unpaid losses and loss adjustment expenses and unearned premiums	226,000,000	(308,000,000)	(226,000,000)
Change in reinsurance recoverables	(22,000,000)	(561,000,000)	(351,000,000)
Change in receivables and other assets	(122,000,000)	(409,000,000)	(257,000,000)
Change in payables and accruals	(937,000,000)	497,000,000	874,000,000
Change in accrued and deferred income taxes	328,000,000	(526,000,000)	(386,000,000)
Net realized capital losses	141,000,000	(1,149,000,000)	711,000,000
Net receipts (disbursements) from investment contracts related to policyholder funds — international variable annuities	(3,993,000,000)	(9,189,000,000)	(1,539,000,000)
Net (increase) decrease in equity securities, trading	3,993,000,000	9,188,000,000	1,566,000,000
Depreciation and amortization	276,000,000	189,000,000	467,000,000
Loss on extinguishment of debt	0	(213,000,000)	(910,000,000)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	622,000,000	102,000,000	1,000,000
Other operating activities, net	203,000,000us-gaap_OtherNoncashIncomeExpense	69,000,000us-gaap_OtherNoncashIncomeExpense	67,000,000us-gaap_OtherNoncashIncomeExpense
Net cash provided by operating activities	1,886,000,000	1,237,000,000	2,681,000,000
Proceeds from the sale/maturity/prepayment of:
Fixed maturities, available-for-sale	25,309,000,000	40,266,000,000	42,716,000,000
Fixed maturities, fair value option	401,000,000	322,000,000	283,000,000
Equity securities, available-for-sale	354,000,000	274,000,000	295,000,000
Mortgage loans	646,000,000	468,000,000	515,000,000
Partnerships	490,000,000	368,000,000	208,000,000
Payments for the purchase of:
Fixed maturities, available-for-sale	(22,545,000,000)	(35,446,000,000)	(42,578,000,000)
Fixed maturities, fair value option	(369,000,000)	(150,000,000)	(182,000,000)
Equity securities, available-for-sale	(683,000,000)	(212,000,000)	(144,000,000)
Mortgage loans	(604,000,000)	(718,000,000)	(1,483,000,000)
Partnerships	(312,000,000)	(353,000,000)	(903,000,000)
Proceeds from business sold	963,000,000	815,000,000	58,000,000
Derivatives, net	10,000,000	(2,208,000,000)	(2,665,000,000)
Change in policy loans, net	(11,000,000)	(5,000,000)	4,000,000
Payments for (Proceeds from) Short-term Investments	(1,814,000,000)	318,000,000	1,400,000,000
Other investing activities, net	(18,000,000)	70,000,000	(15,000,000)
Net cash used for investing activities	1,696,000,000	3,745,000,000	(2,557,000,000)
Financing Activities
Deposits and other additions to investment and universal life-type contracts	5,289,000,000us-gaap_AdditionsToContractHoldersFunds	5,942,000,000us-gaap_AdditionsToContractHoldersFunds	10,951,000,000us-gaap_AdditionsToContractHoldersFunds
Withdrawals and other deductions from investment and universal life-type contracts	(21,870,000,000)	(25,034,000,000)	(25,543,000,000)
Net transfers from separate accounts related to investment and universal life-type contracts	14,366,000,000	16,978,000,000	13,196,000,000
Repayments at maturity or settlement of consumer notes	(13,000,000)	(77,000,000)	(153,000,000)
Net increase (decrease) in securities loaned or sold under agreements to repurchase		(1,988,000,000)	1,988,000,000
Repurchase of warrants	0us-gaap_PaymentsForRepurchaseOfWarrants	(33,000,000)us-gaap_PaymentsForRepurchaseOfWarrants	(300,000,000)us-gaap_PaymentsForRepurchaseOfWarrants
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Proceeds from the issuance of long-term debt		533,000,000	2,123,000,000
Proceeds from net issuance of shares under incentive and stock compensation plans, excess tax benefit and other	30,000,000	20,000,000	14,000,000
Treasury stock acquired	(1,796,000,000)	(600,000,000)	(154,000,000)
Dividends paid on preferred stock		(21,000,000)	(42,000,000)
Dividends paid on common stock	(282,000,000)us-gaap_PaymentsOfDividendsCommonStock	(202,000,000)us-gaap_PaymentsOfDividendsCommonStock	(175,000,000)us-gaap_PaymentsOfDividendsCommonStock
Net cash used for financing activities	(4,476,000,000)	(5,820,000,000)	(228,000,000)
Foreign exchange rate effect on cash	(135,000,000)	(155,000,000)	(56,000,000)
Cash, Period Increase (Decrease)	(1,029,000,000)us-gaap_CashPeriodIncreaseDecrease	(993,000,000)us-gaap_CashPeriodIncreaseDecrease	(160,000,000)us-gaap_CashPeriodIncreaseDecrease
Cash - beginning of period	1,428,000,000us-gaap_Cash	2,421,000,000us-gaap_Cash	2,581,000,000us-gaap_Cash
Cash - end of period	399,000,000us-gaap_Cash	1,428,000,000us-gaap_Cash	2,421,000,000us-gaap_Cash
Supplemental Disclosure of Cash Flow Information
Income taxes paid (received)	(313,000,000)us-gaap_IncomeTaxesPaidNet	69,000,000us-gaap_IncomeTaxesPaidNet	(486,000,000)us-gaap_IncomeTaxesPaidNet
Interest paid	377,000,000us-gaap_InterestPaid	402,000,000us-gaap_InterestPaid	461,000,000us-gaap_InterestPaid
Supplemental Disclosure of Non-Cash Investing Activity
Conversion of fixed maturities, available-for-sale to equity securities, available-for-sale	0us-gaap_TransferOfInvestments	0us-gaap_TransferOfInvestments	67,000,000us-gaap_TransferOfInvestments
HLIKK and HLIL [Member]
Adjustments to reconcile net income to net cash provided by operating activities
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	$ 653,000,000	$ 102,000,000	$ 1,000,000

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- Definition

The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.

+ References

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

+ Details

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Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.

+ References

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- Definition

The cash outflow to acquire debt securities classified as available-for-sale securities, because they are not classified as either held-to-maturity securities or trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

The cash outflow to acquire equity securities classified as available-for-sale securities, because they are not classified as trading securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

Amount of cash outflow through purchase of long-term held-to-maturity securities.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

Cash outflow related to the acquisition or continued holding of limited partnership interests held for investment purposes.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The cash outflow from the purchase of receivables arising from the mortgage note on real estate.

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Period Type:	duration

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

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Period Type:	duration

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

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- Definition

The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

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- Definition

Cash inflow received as distributions, returns of capital, or sale proceeds from partnership interests held for investment purposes.

+ References

No definition available.

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- Definition

The cash flow from investments sold under the agreement to repurchase such investment.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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-Topic 230

-SubTopic 10

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-Paragraph 9

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- Definition

The net cash inflow or outflow in other borrowings not otherwise defined in the taxonomy.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The cash inflow from proceeds from sale of receivables arising from the mortgage note on real estate; includes collections on mortgage notes receivable that are not classified as operating cash flows.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Amount of cash inflow from the sale or maturity of long-term held-to-maturity securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Paragraph 12

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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Data Type:	xbrli:monetaryItemType
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- Definition

The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

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-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 12

-Subparagraph (a)

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The cash inflow associated with the sale of equity securities classified as available-for-sale securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity and any gains or losses realized during the period from the sale of investments accounted for under the cost method of accounting and/or investments that are separately or otherwise not categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

No definition available.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

Value of investments transferred from the entity's investments in noncash transactions.

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Period Type:	duration

- Definition

The cash outflow for a segregated fund account during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 15

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Period Type:	duration

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