Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Entity Excluding Variable Interest Entities (VIE)
Amortization (accretion) of net investment premiums, discounts, and other	$ (172)	$ (77)	$ 92
Net investments (income) loss	(25)	8	(134)
Net recognized (gains) losses on investments and derivatives	(342)	520	(1,463)
Sales, maturities, and repayments of:
Trading securities	748	1,226	807
Investment funds	420	343	793
Derivative instruments and other invested assets	468	1,151	1,863
Short-term investments	870	207	0
Purchases of:
Fixed maturity securities (related party: 2016 – $(82), 2015 – $(64) and 2014 – $(527))	(11,797)	(11,069)	(11,000)
Equity securities	(319)	(239)	(51)
Trading securities	(868)	(1,409)	(551)
Investment funds	(535)	(614)	(676)
Short-term investments	(873)	(267)	(17)
Variable Interest Entities
Amortization (accretion) of net investment premiums, discounts, and other	3	4	(14)
Net investments (income) loss	3	3	1
Net recognized (gains) losses on investments and derivatives	25	(35)	(67)
Purchases of:
Sales, maturities, and repayments of investments	504	257	1,410
Purchases of investments	(19)	(17)	(491)
Related Party \| Consolidated Entity Excluding Variable Interest Entities (VIE)
Amortization (accretion) of net investment premiums, discounts, and other	(6)	(8)	0
Net investments (income) loss	(51)	(6)	(53)
Net recognized (gains) losses on investments and derivatives	34	42	0
Sales, maturities, and repayments of:
Trading securities	26	72	271
Investment funds	293	99	228
Derivative instruments and other invested assets	8	0	0
Short-term investments	55	130	0
Purchases of:
Fixed maturity securities (related party: 2016 – $(82), 2015 – $(64) and 2014 – $(527))	(82)	(64)	(527)
Equity securities	(20)	0	0
Trading securities	(39)	(52)	(320)
Investment funds	(441)	(510)	(517)
Short-term investments	0	(85)	0
Related Party \| Variable Interest Entities
Net recognized (gains) losses on investments and derivatives	3	(46)	(46)
Purchases of:
Sales, maturities, and repayments of investments	22	244	1,401
Purchases of investments	(19)	(17)	(482)
Total fixed maturity securities \| Consolidated Entity Excluding Variable Interest Entities (VIE)
Sales, maturities, and repayments of:
Available-for-sale securities	9,211	10,424	9,909
Total fixed maturity securities \| Related Party \| Consolidated Entity Excluding Variable Interest Entities (VIE)
Sales, maturities, and repayments of:
Available-for-sale securities	$ 78	$ 65	$ 259

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Payments to Acquire Investment Funds

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Proceeds from Investment Funds

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The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

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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.

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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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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

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The cash outflow to acquire securities classified as trading securities and held for investment purposes. Excludes payments for trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).

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The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.

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No definition available.

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The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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The cash inflow associated with the sale, maturities, repayments and calls of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time).

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The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

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The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

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