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Separate Accounts, Death Benefits, and Other Insurance Benefits Level 4 (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Separate Accounts Disclosure [Line Items] |  |  |
Liabilities for Guarantees on Long-Duration Contracts, Other Liability Adjustments | $ (287) | $ (245) | $ (292)
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments | 298 | 550 |
Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Net | 13,642 | 13,614 | 13,333
Movement in Changes in U.S. GMDB/GMWB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |
Liabilities, as of Jan. 1 | 13,859 | 13,625 |
Liabilities for Guarantees on Long-Duration Contracts, Incurred Benefits | (955) | (1,211) |
Liabilities, as of Dec. 31 | 13,929 | 13,859 | 13,625
Reinsurance Recoverable, as of Jan. 1 | 4,314 | 3,934 |
Reinsurance Recoverable, as of Dec. 31 | 4,451 | 4,314 | 3,934
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 18,624 |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 3,038 |  |
Separate Accounts, Liability | 115,665 | 120,123 |
Net Amount at Risk by Product and Guarantee, Separate Account Value | 78,740 |  |
Schedule of Fair Value of Separate Accounts [Abstract] |  |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value | $ 36,925 | $ 40,423 |
Invested in Fixed Income Securities | 16.00% | 17.00% |
Invested in Equity Securities | 84.00% | 83.00% |
Reinsurance Recoverable for Paid Claims and Claims Adjustments | $ (161) | $ (170) |
Liabilities for Guarantees on Long-Duration Contracts, Payment for Benefits | (927) | (930) |
Equity Securities [Member] |  |  |
Schedule of Fair Value of Separate Accounts [Abstract] |  |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value | 33,880 | 36,970 |
Cash and Cash Equivalents [Member] |  |  |
Schedule of Fair Value of Separate Accounts [Abstract] |  |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value | 3,045 | 3,453 |
Guaranteed Lifetime Withdrawal Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 6,400 |  |
Guaranteed Minimum Withdrawal Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 72 years |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | $ 0 |  |
With Five Percent Rollup and EPB [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 467 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 73 years |  |
With Earnings Protection Benefit Rider (EPB) [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 3,436 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 70 years |  |
With Five Percent Rollup [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 1,156 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 71 years |  |
Annuitization Benefit [Member] |  |  |
Separate Accounts Disclosure [Line Items] |  |  |
Liabilities for Guarantees on Long-Duration Contracts, Other Liability Adjustments | $ (287) | (245) | (292)
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments | 16 | 147 |
Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Net | 10,229 | 10,438 | 10,480
Movement in Changes in U.S. GMDB/GMWB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |
Liabilities, as of Jan. 1 | 10,683 | 10,772 |
Liabilities for Guarantees on Long-Duration Contracts, Incurred Benefits | (604) | (776) |
Liabilities, as of Dec. 31 | 10,516 | 10,683 | 10,772
Reinsurance Recoverable, as of Jan. 1 | 1,478 | 1,412 |
Reinsurance Recoverable, as of Dec. 31 | 1,392 | 1,478 | 1,412
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 507 |  |
Schedule of Fair Value of Separate Accounts [Abstract] |  |  |
Reinsurance Recoverable for Paid Claims and Claims Adjustments | (70) | (81) |
Liabilities for Guarantees on Long-Duration Contracts, Payment for Benefits | (813) | (818) |
MAV Only [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 13,565 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 71 years |  |
Guaranteed Minimum Death Benefit [Member] |  |  |
Separate Accounts Disclosure [Line Items] |  |  |
Liabilities for Guarantees on Long-Duration Contracts, Other Liability Adjustments | $ 0 | 0 | 0
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments | 0 | 131 |
Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Net | 786 | 863 | 812
Movement in Changes in U.S. GMDB/GMWB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |
Liabilities, as of Jan. 1 | 863 | 812 |
Liabilities for Guarantees on Long-Duration Contracts, Incurred Benefits | (37) | (163) |
Liabilities, as of Dec. 31 | 786 | 863 | 812
Reinsurance Recoverable, as of Jan. 1 | 523 | 481 |
Reinsurance Recoverable, as of Dec. 31 | 432 | 523 | 481
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 3,773 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 70 years |  |
Separate Accounts, Liability | $ 36,925 |  |
Schedule of Fair Value of Separate Accounts [Abstract] |  |  |
Reinsurance Recoverable for Paid Claims and Claims Adjustments | (91) | (89) |
Liabilities for Guarantees on Long-Duration Contracts, Payment for Benefits | (114) | (112) |
Guaranteed Minimum Death Benefit [Member] | Variable Annuity [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | 40,698 |  |
Reset [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 2,406 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 70 years |  |
Return of Net Deposit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 8,766 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 69 years |  |
Secondary Guarantees [Member] | Universal Life [Member] |  |  |
Separate Accounts Disclosure [Line Items] |  |  |
Liabilities for Guarantees on Long-Duration Contracts, Other Liability Adjustments | $ 0 | 0 | 0
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments | 314 | 272 |
Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Net | 2,627 | 2,313 | 2,041
Movement in Changes in U.S. GMDB/GMWB, International GMDB/GMIB, and UL Secondary Guarantee Benefits [Roll Forward] |  |  |
Liabilities, as of Jan. 1 | 2,313 | 2,041 |
Liabilities for Guarantees on Long-Duration Contracts, Incurred Benefits | (314) | (272) |
Liabilities, as of Dec. 31 | 2,627 | 2,313 | 2,041
Reinsurance Recoverable, as of Jan. 1 | 2,313 | 2,041 |
Reinsurance Recoverable, as of Dec. 31 | 2,627 | $ 2,313 | $ 2,041
Asset Protection Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 10,438 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 69 years |  |
Lifetime Income Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, General Account Value | $ 464 |  |
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age | 70 years |  |
Lifetime Income Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | $ 6 |  |
Lifetime Income Benefit [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 6 |  |
Asset Protection Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 172 |  |
Asset Protection Benefit [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 114 |  |
Guaranteed Minimum Death Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 3,298 |  |
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 | 704 |  |
Return of Net Deposit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 69 |  |
Return of Net Deposit [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 65 |  |
MAV Only [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 2,285 |  |
MAV Only [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 350 |  |
With Five Percent Rollup [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 187 |  |
With Five Percent Rollup [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 60 |  |
Reset [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 13 |  |
Reset [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 12 |  |
With Earnings Protection Benefit Rider (EPB) [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 464 |  |
With Earnings Protection Benefit Rider (EPB) [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 75 |  |
With Five Percent Rollup and EPB [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | 102 |  |
With Five Percent Rollup and EPB [Member] | Annuitization Benefit [Member] |  |  |
Minimum Guarantees, Net Amount at Risk [Abstract] |  |  |
Net Amount at Risk by Product and Guarantee, Net Amount at Risk | $ 22 |  |

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- Definition Amount of expected guaranteed benefits in excess of the projected account balances for minimum guaranteed benefit contracts, as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6588021&loc=d3e7104-158389 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 50 -Paragraph 1 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=6484115&loc=d3e19393-158473 + Details
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- Definition Amount of expected guaranteed benefits in excess of the projected account balances for minimum guaranteed benefit contracts, net of reinsurance recoverables, as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 50 -Paragraph 1 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=6484115&loc=d3e19393-158473 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6588021&loc=d3e7104-158389 + Details
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- Definition Weighted average attained age of policyholders or contract holders in the specified guarantee type and subset of guarantee class, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 50 -Paragraph 1 -Subparagraph ((d)(5)) -URI http://asc.fasb.org/extlink&oid=6484115&loc=d3e19393-158473 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6588021&loc=d3e7104-158389 + Details
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