v3.8.0.1

Fair Value of Assets and Liabilities (Changes in Level 3 Assets and Liabilities) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Equity securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | $ 265 | $ 266 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 17 | (75) | $ 1
Net investment income | 0 | 0 | 0
Purchases | 33 | 99 |
Sales | (35) | (79) |
Issuances | 0 | 0 |
Settlements | 0 | (13) |
Foreign currency translation | 3 | 13 |
Other | (1) | 0 |
Transfers into Level 3 | 7 | 9 |
Transfers out of Level 3 | (1) | (7) |
Fair Value, end of period | 290 | 265 | 266
Equity securities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 2 | 52 | 15
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (4) | 0 | (3)
Equity securities | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 |
Notes issued by consolidated VIEs |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | (1,839) | (8,597) |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 0 | 0 | 0
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | (2,187) |
Settlements | 0 | 697 |
Foreign currency translation | 0 | 0 |
Other | 647 | 8,285 |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | (1,196) | (1,839) | (8,597)
Notes issued by consolidated VIEs | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | (4) | (23) | 287
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (4) | (23) | 287
Notes issued by consolidated VIEs | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | (14) | 146
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | (14) | 146
Notes issued by consolidated VIEs | Interest credited to policyholders' account balances |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Fixed maturities | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 0 |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 0 |  |
Net investment income | 0 |  |
Purchases | 42 |  |
Sales | 0 |  |
Issuances | 0 |  |
Settlements | 0 |  |
Foreign currency translation | 0 |  |
Other | 10 |  |
Transfers into Level 3 | 0 |  |
Transfers out of Level 3 | 0 |  |
Fair Value, end of period | 52 | 0 |
Fixed maturities | U.S. Treasury securities and obligations of U.S. government authorities and agencies | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 |  |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 |  |
Fixed maturities | U.S. states |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 5 | 6 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 0 | 0 |
Net investment income | 0 | 0 |
Purchases | 7 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | 0 | (1) |
Foreign currency translation | 0 | 0 |
Other | 0 | 0 |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | (7) | 0 |
Fair Value, end of period | 5 | 5 | 6
Fixed maturities | U.S. states | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 |
Fixed maturities | Foreign government bonds |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 124 | 123 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | (1) | (3) | (3)
Net investment income | 0 | 0 | 0
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | 0 | 0 |
Foreign currency translation | 3 | 3 |
Other | 0 | 0 |
Transfers into Level 3 | 39 | 1 |
Transfers out of Level 3 | (17) | 0 |
Fair Value, end of period | 148 | 124 | 123
Fixed maturities | Foreign government bonds | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Fixed maturities | Corporate securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 2,173 | 1,222 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | (22) | 76 | 7
Net investment income | 19 | 11 | 17
Purchases | 525 | 318 |
Sales | (173) | (18) |
Issuances | 0 | 0 |
Settlements | (781) | (323) |
Foreign currency translation | 7 | 5 |
Other | (55) | 0 |
Transfers into Level 3 | 1,498 | 1,486 |
Transfers out of Level 3 | (322) | (473) |
Fair Value, end of period | 2,776 | 2,173 | 1,222
Fixed maturities | Corporate securities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | (93) | (131) | (95)
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (154) | (110) | (87)
Fixed maturities | Structured securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 4,555 | 4,269 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 11 | (23) | (40)
Net investment income | 7 | 13 | 20
Purchases | 4,967 | 3,582 |
Sales | (645) | (444) |
Issuances | 0 | 0 |
Settlements | (2,756) | (700) |
Foreign currency translation | 38 | 35 |
Other | (2) | 159 |
Transfers into Level 3 | 3,933 | 1,787 |
Transfers out of Level 3 | (3,463) | (4,133) |
Fair Value, end of period | 6,715 | 4,555 | 4,269
Fixed maturities | Structured securities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 70 | 10 | 41
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 4
Trading account assets | Foreign government bonds |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 227 | 34 |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 5 | 1 |
Purchases | 0 | 201 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | (4) | (4) |
Foreign currency translation | 0 | 0 |
Other | 0 | 0 |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | 223 | 227 | 34
Trading account assets | Foreign government bonds | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 |
Trading account assets | Foreign government bonds | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | (5) | (5) |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (5) | (5) |
Trading account assets | Corporate securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 188 | 203 |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 3 | 2 | 1
Purchases | 154 | 11 |
Sales | (7) | (3) |
Issuances | 0 | 0 |
Settlements | (119) | (41) |
Foreign currency translation | 0 | 0 |
Other | 0 | (15) |
Transfers into Level 3 | 383 | 151 |
Transfers out of Level 3 | (18) | (111) |
Fair Value, end of period | 552 | 188 | 203
Trading account assets | Corporate securities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Trading account assets | Corporate securities | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | (32) | (9) | (28)
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (33) | (10) | 9
Trading account assets | Structured securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 332 | 603 |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 1 | 2 | 1
Purchases | 656 | 185 |
Sales | (25) | (49) |
Issuances | 0 | 0 |
Settlements | (355) | (122) |
Foreign currency translation | 5 | (2) |
Other | 1 | 141 |
Transfers into Level 3 | 602 | 252 |
Transfers out of Level 3 | (428) | (666) |
Fair Value, end of period | 789 | 332 | 603
Trading account assets | Structured securities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Trading account assets | Structured securities | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | (12) | (7)
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 3 | (4) | (7)
Trading account assets | Equity securities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 487 | 589 |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 0 | 0 | 0
Purchases | 28 | 20 |
Sales | (17) | (65) |
Issuances | 0 | 0 |
Settlements | (47) | (108) |
Foreign currency translation | 6 | 31 |
Other | 29 | 14 |
Transfers into Level 3 | 31 | 28 |
Transfers out of Level 3 | (33) | (30) |
Fair Value, end of period | 509 | 487 | 589
Trading account assets | Equity securities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Trading account assets | Equity securities | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 25 | 8 | (15)
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 38 | 3 | 6
Trading account assets | All other activity |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 1 | 5 |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 0 | 0 | 0
Purchases | 46 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | (39) | 0 |
Foreign currency translation | 0 | 0 |
Other | 0 | (5) |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | 8 | 1 | 5
Trading account assets | All other activity | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Trading account assets | All other activity | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 1 | (1)
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 1 | (1)
Other long-term investments |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 7 | 49 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 0 | 0 | 0
Net investment income | 0 | (1) | (1)
Purchases | 0 | 1 |
Sales | 0 | 0 |
Issuances | 39 | 0 |
Settlements | (1) | 0 |
Foreign currency translation | (1) | 0 |
Other | 77 | (33) |
Transfers into Level 3 | 14 | 0 |
Transfers out of Level 3 | 0 | (8) |
Fair Value, end of period | 136 | 7 | 49
Other long-term investments | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 1 | (1) | 21
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | (1) | 19
Other long-term investments | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 |
Short-term investments |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 1 | 0 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 0 | 0 |
Net investment income | 0 | 0 |
Purchases | 30 | 1 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | (23) | 0 |
Foreign currency translation | 0 | 0 |
Other | (1) | 0 |
Transfers into Level 3 | 1 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | 8 | 1 | 0
Short-term investments | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 |
Short-term investments | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 |
Cash equivalents |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 0 |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 0 |  |
Net investment income | 2 |  |
Purchases | 93 |  |
Sales | 0 |  |
Issuances | 0 |  |
Settlements | (99) |  |
Foreign currency translation | 0 |  |
Other | 0 |  |
Transfers into Level 3 | 4 |  |
Transfers out of Level 3 | 0 |  |
Fair Value, end of period | 0 | 0 |
Cash equivalents | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 |  |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 |  |
Other assets |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 0 | 7 |
Total gains (losses) (realized/unrealized): |  |  |
Included in other comprehensive income (loss) | 0 | 0 | 0
Net investment income | 0 | 0 | 0
Purchases | 33 | 23 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | 0 | 0 |
Foreign currency translation | 0 | 0 |
Other | 0 | 0 |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | 13 | 0 | 7
Other assets | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | (20) | (30) | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (21) | (30) | 2
Other assets | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 |
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 |
Separate accounts assets |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | 1,849 | 1,995 |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 2 | 17 | 24
Purchases | 1,122 | 555 |
Sales | (98) | (141) |
Issuances | 0 | 0 |
Settlements | (725) | (485) |
Foreign currency translation | 0 | 0 |
Other | 0 | 0 |
Transfers into Level 3 | 353 | 344 |
Transfers out of Level 3 | (462) | (459) |
Fair Value, end of period | 2,122 | 1,849 | 1,995
Separate accounts assets | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 1 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Separate accounts assets | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 | 0
Separate accounts assets | Interest credited to policyholders' account balances |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 81 | 22 | (38)
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 78 | 3 | 318
Future policy benefits |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | (8,238) | (8,434) |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 0 | 0 | 0
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | (1,117) | (1,056) |
Settlements | 0 | 0 |
Foreign currency translation | (2) | 0 |
Other | 0 | 0 |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | (8,720) | (8,238) | (8,434)
Future policy benefits | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 637 | 1,252 | 717
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 372 | 1,046 | 485
Future policy benefits | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 | 0
Future policy benefits | Interest credited to policyholders' account balances |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | 0 | 0 | 0
Other liabilities |  |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Fair Value, beginning of period | (22) | (2) |
Total gains (losses) (realized/unrealized): |  |  |
Net investment income | 0 | 0 | 0
Purchases | 0 | 0 |
Sales | 0 | 0 |
Issuances | 0 | 0 |
Settlements | 4 | (6) |
Foreign currency translation | 0 | 0 |
Other | 5 | (6) |
Transfers into Level 3 | 0 | 0 |
Transfers out of Level 3 | 0 | 0 |
Fair Value, end of period | (50) | (22) | (2)
Other liabilities | Realized investment gains (losses), net |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | (37) | (8) | 1
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | (37) | (9) | 1
Other liabilities | Other income |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings |  | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings |  | 0 | 0
Other liabilities | Interest credited to policyholders' account balances |  |  |
Total gains (losses) (realized/unrealized): |  |  |
Included in earnings | 0 | 0 | 0
Unrealized gains (losses) for assets still held included in earnings: |  |  |
Included in earnings | $ 0 | $ 0 | $ 0

X
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- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Total Gains Losses Realized Unrealized [Abstract] + References No definition available. + Details
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- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Unrealized Gains Losses Still Held Included In Earnings [Abstract] + References No definition available. + Details
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- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Currency Translation + References No definition available. + Details
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- Definition Impact of foreign currency translation on the change in level 3 liabilities identified as part of the reconciliation of liabilities with unobservable inputs. + References No definition available. + Details
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- Definition Other changes in level 3 liabilities identified as part of the reconciliation of liabilities with unobservable inputs. + References No definition available. + Details
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