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Reserve for Future Policy Benefits and SA Liabilities Level 4 (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Movement in Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |  |
Liability balance as of January 1, 2017 |  | $ 13,929,000,000 | $ 13,859,000,000 |
Incurred [3] |  | 870,000,000 | 859,000,000 |
Paid |  | (679,000,000) | (696,000,000) |
Change in unrealized investment gains and losses |  | 127,000,000 | 433,000,000 |
Liability balance as of September 30, 2017 | $ 14,247,000,000 | 14,247,000,000 | 14,455,000,000 |
Reinsurance recoverable asset, as of January 1, 2017 |  | 4,451,000,000 | 4,314,000,000 |
Incurred [3] | (328,000,000) | (328,000,000) | (260,000,000) |
Paid | (107,000,000) | (107,000,000) | (121,000,000) |
Reinsurance recoverable asset, as of September 30, 2017 | 4,672,000,000 | 4,672,000,000 | 4,453,000,000 |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 18,781,000,000 | 18,781,000,000 |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 2,817,000,000 | 2,817,000,000 |  |
Separate Accounts, Liability | 115,626,000,000 | 115,626,000,000 |  | $ 115,665,000,000
Net Amount at Risk by Product and Guarantee, Separate Account Value | 78,584,000,000 | 78,584,000,000 |  |
Separate Accounts by Major Category of Investment [Abstract] |  |  |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value | $ 37,042,000,000 | $ 37,042,000,000 |  | $ 36,925,000,000
Invested in Fixed Income Securities | 15.00% | 15.00% |  | 16.00%
Invested in Equity Securities | 85.00% | 85.00% |  | 84.00%
Guaranteed Minimum Death Benefit [Member] |  |  |  |
Movement in Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |  |
Liability balance as of January 1, 2017 |  | $ 786,000,000 | 863,000,000 |
Incurred [3] |  | 57,000,000 | 50,000,000 |
Paid |  | (76,000,000) | (92,000,000) |
Change in unrealized investment gains and losses |  | 0 | 0 |
Liability balance as of September 30, 2017 | $ 767,000,000 | 767,000,000 | 821,000,000 |
Reinsurance recoverable asset, as of January 1, 2017 |  | 432,000,000 | 523,000,000 |
Incurred [3] | (37,000,000) | (37,000,000) | (40,000,000) |
Paid | (63,000,000) | (63,000,000) | (73,000,000) |
Reinsurance recoverable asset, as of September 30, 2017 | 406,000,000 | 406,000,000 | 490,000,000 |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 3,665,000,000 | $ 3,665,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 71 years |  |
Separate Accounts, Liability | 37,042,000,000 | $ 37,042,000,000 |  |
MAV only |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 13,674,000,000 | $ 13,674,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 71 years |  |
With 5% rollup [2] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 1,149,000,000 | $ 1,149,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 72 years |  |
With Earnings Protection Benefit Rider (“EPB”) [3] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 3,482,000,000 | $ 3,482,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 71 years |  |
With 5% rollup & EPB |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 476,000,000 | $ 476,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 73 years |  |
Asset Protection Benefit (“APB”) [4] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 10,175,000,000 | $ 10,175,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 70 years |  |
Lifetime Income Benefit (“LIB”) — Death Benefit [5] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 454,000,000 | $ 454,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 70 years |  |
Reset [6] (5-7 years) |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 2,445,000,000 | $ 2,445,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 70 years |  |
Return of Premium (“ROP”) [7]/Other |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 8,852,000,000 | $ 8,852,000,000 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age |  | 71 years |  |
Annuitization Benefit [Member] |  |  |  |
Movement in Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |  |
Liability balance as of January 1, 2017 |  | $ 10,516,000,000 | 10,683,000,000 |
Incurred [3] |  | 582,000,000 | 575,000,000 |
Paid |  | (603,000,000) | (604,000,000) |
Change in unrealized investment gains and losses |  | 127,000,000 | 433,000,000 |
Liability balance as of September 30, 2017 | 10,622,000,000 | 10,622,000,000 | 11,087,000,000 |
Reinsurance recoverable asset, as of January 1, 2017 |  | 1,392,000,000 | 1,478,000,000 |
Incurred [3] | (60,000,000) | (60,000,000) | (14,000,000) |
Paid | (44,000,000) | (44,000,000) | (48,000,000) |
Reinsurance recoverable asset, as of September 30, 2017 | 1,408,000,000 | 1,408,000,000 | 1,416,000,000 |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 453,000,000 | 453,000,000 |  |
Guaranteed Minimum Withdrawal Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 6,300,000,000 | 6,300,000,000 |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | $ 0 | 0 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 73 years |  |  |
Universal Life [Member] | Secondary Guarantees [Member] |  |  |  |
Movement in Changes in the gross U.S. GMDB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |  |
Liability balance as of January 1, 2017 |  | 2,627,000,000 | 2,313,000,000 |
Incurred [3] |  | 231,000,000 | 234,000,000 |
Change in unrealized investment gains and losses |  | 0 | 0 |
Liability balance as of September 30, 2017 | $ 2,858,000,000 | 2,858,000,000 | 2,547,000,000 |
Reinsurance recoverable asset, as of January 1, 2017 |  | 2,627,000,000 | 2,313,000,000 |
Incurred [3] | (231,000,000) | (231,000,000) | (234,000,000) |
Reinsurance recoverable asset, as of September 30, 2017 | 2,858,000,000 | 2,858,000,000 | $ 2,547,000,000 |
Variable Annuity [Member] | Guaranteed Minimum Death Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 40,707,000,000 | 40,707,000,000 |  |
Deferred Annuitization [Member] | Guaranteed Minimum Death Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 1,700,000,000 | 1,700,000,000 |  |
MAV only |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 2,047,000,000 | 2,047,000,000 |  |
MAV only | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 305,000,000 | 305,000,000 |  |
With 5% rollup [2] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 143,000,000 | 143,000,000 |  |
With 5% rollup [2] | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 45,000,000 | 45,000,000 |  |
With Earnings Protection Benefit Rider (“EPB”) [3] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 522,000,000 | 522,000,000 |  |
With Earnings Protection Benefit Rider (“EPB”) [3] | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 80,000,000 | 80,000,000 |  |
With 5% rollup & EPB |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 105,000,000 | 105,000,000 |  |
With 5% rollup & EPB | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 23,000,000 | 23,000,000 |  |
Asset Protection Benefit (“APB”) [4] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 102,000,000 | 102,000,000 |  |
Asset Protection Benefit (“APB”) [4] | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 70,000,000 | 70,000,000 |  |
Lifetime Income Benefit (“LIB”) — Death Benefit [5] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 4,000,000 | 4,000,000 |  |
Lifetime Income Benefit (“LIB”) — Death Benefit [5] | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 4,000,000 | 4,000,000 |  |
Reset [6] (5-7 years) |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 6,000,000 | 6,000,000 |  |
Reset [6] (5-7 years) | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 5,000,000 | 5,000,000 |  |
Return of Premium (“ROP”) [7]/Other |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 55,000,000 | 55,000,000 |  |
Return of Premium (“ROP”) [7]/Other | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 52,000,000 | 52,000,000 |  |
Guaranteed Minimum Death Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 2,984,000,000 | 2,984,000,000 |  |
Guaranteed Minimum Death Benefit [Member] | Annuitization Benefit [Member] |  |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 584,000,000 | 584,000,000 |  |
Equity Securities [Member] |  |  |  |
Separate Accounts by Major Category of Investment [Abstract] |  |  |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value | 34,267,000,000 | 34,267,000,000 |  | $ 33,880,000,000
Cash and Cash Equivalents [Member] |  |  |  |
Separate Accounts by Major Category of Investment [Abstract] |  |  |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value | $ 2,775,000,000 | $ 2,775,000,000 |  | $ 3,045,000,000

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