Fair Value Measurements - Fair Value Recurring Basis, Unobservable Input (Details) - USD ($) | 1 Months Ended | 2 Months Ended | 3 Months Ended | 5 Months Ended | 6 Months Ended | | | | | |
Jun. 30, 2018 | May 31, 2018 | Jun. 30, 2017 | May 31, 2018 | Jun. 30, 2017 | Jun. 01, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2016 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair value assets level 2 to level 1 transfer amount | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 1,290,000,000 | 2,089,000,000 | 1,290,000,000 | 2,089,000,000 | | | $ 1,581,000,000 | | $ 2,220,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | (48,000,000) | (74,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | (27,000,000) | 33,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 134,000,000 | 463,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (92,000,000) | (202,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | (268,000,000) | (120,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 87,000,000 | 70,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | (77,000,000) | (301,000,000) | | | | | |
Fair Value, Inputs, Level 3 [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 74,000,000 | 55,000,000 | 192,000,000 | 55,000,000 | 192,000,000 | $ 55,000,000 | $ 41,000,000 | 185,000,000 | $ 277,000,000 | 201,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 2,000,000 | 0 | 3,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0 | (2,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 20,000,000 | 24,000,000 | 13,000,000 | 34,000,000 | 111,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | 0 | (2,000,000) | 0 | (7,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | (1,000,000) | (2,000,000) | (34,000,000) | (164,000,000) | (42,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 5,000,000 | 7,000,000 | 22,000,000 | 10,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 2,000,000 | 13,000,000 | 71,000,000 | 22,000,000 | (86,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | (18,000,000) | (21,000,000) | (171,000,000) | (21,000,000) | (171,000,000) | (21,000,000) | (53,000,000) | (75,000,000) | (193,000,000) | (274,000,000) |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | 8,000,000 | 43,000,000 | 39,000,000 | 82,000,000 | 136,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | (5,000,000) | (11,000,000) | (17,000,000) | (28,000,000) | (33,000,000) | | | | | |
Fair Value, Inputs, Level 3 [Member] | Equity Linked Notes [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | | | (37,000,000) | | (37,000,000) | | | | (36,000,000) | (33,000,000) |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | | | (1,000,000) | | (4,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | 0 | | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | | | 0 | | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Guaranteed Minimum Withdrawal Benefit [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | (18,000,000) | (21,000,000) | (134,000,000) | (21,000,000) | (134,000,000) | (21,000,000) | (53,000,000) | (75,000,000) | (157,000,000) | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | 8,000,000 | 43,000,000 | 40,000,000 | 82,000,000 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | (5,000,000) | (11,000,000) | | (28,000,000) | (17,000,000) | | | | | |
Fair Value, Inputs, Level 3 [Member] | Reinsurance Recoverable Including Reinsurance Premium Paid [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | | 57,000,000 | | 57,000,000 | | | | | 73,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | | (23,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | | (7,000,000) | | | | | |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 1,196,000,000 | 1,290,000,000 | 2,089,000,000 | 1,290,000,000 | 2,089,000,000 | 1,290,000,000 | 1,379,000,000 | | 2,249,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 11,000,000 | (61,000,000) | (22,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 1,000,000 | (17,000,000) | 16,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 82,000,000 | 96,000,000 | 169,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | (15,000,000) | (33,000,000) | (156,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | (108,000,000) | (56,000,000) | (48,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 16,000,000 | 59,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (65,000,000) | (34,000,000) | (178,000,000) | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs | (7,000,000) | (15,000,000) | 171,000,000 | (15,000,000) | 171,000,000 | (15,000,000) | 37,000,000 | | 176,000,000 | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | 12,000,000 | (52,000,000) | (5,000,000) | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements | (4,000,000) | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 18,000,000 | 21,000,000 | 171,000,000 | 21,000,000 | 171,000,000 | 21,000,000 | 53,000,000 | | 193,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | 8,000,000 | 43,000,000 | 39,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases | 0 | 0 | | | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | (5,000,000) | (11,000,000) | (17,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales | 0 | 0 | | | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 | 0 | 0 | | | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 | 0 | 0 | | | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs | (27,000,000) | (27,000,000) | (29,000,000) | (27,000,000) | (29,000,000) | (27,000,000) | (28,000,000) | | (29,000,000) | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | 0 | 1,000,000 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Derivative [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs | | (15,000,000) | 171,000,000 | (15,000,000) | 171,000,000 | | | 28,000,000 | | 218,000,000 |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | | | | (41,000,000) | (47,000,000) | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases | | | | | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales | | | | 2,000,000 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 | | | | | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Derivative [Member] | Interest Rate Contract [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs | | (27,000,000) | (29,000,000) | (27,000,000) | (29,000,000) | | | (29,000,000) | | (30,000,000) |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | | | | 2,000,000 | 1,000,000 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Derivative [Member] | US GMWB Hedging Instruments [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs | 17,000,000 | 17,000,000 | 40,000,000 | 17,000,000 | 40,000,000 | 17,000,000 | 32,000,000 | 34,000,000 | 46,000,000 | 81,000,000 |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | 0 | (15,000,000) | (6,000,000) | (15,000,000) | (41,000,000) | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales | 0 | 0 | 0 | 2,000,000 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Derivative [Member] | US Macro Hedge Program [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs | 3,000,000 | (5,000,000) | 160,000,000 | (5,000,000) | 160,000,000 | (5,000,000) | 33,000,000 | 23,000,000 | 159,000,000 | 167,000,000 |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings | 12,000,000 | (38,000,000) | 1,000,000 | (28,000,000) | (7,000,000) | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements | 4,000,000 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Reinsurance Recoverable Including Reinsurance Premium Paid [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 22,000,000 | 22,000,000 | 57,000,000 | 22,000,000 | 57,000,000 | 22,000,000 | 31,000,000 | 36,000,000 | 60,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | (1,000,000) | (11,000,000) | (7,000,000) | (19,000,000) | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 0 | 0 | 0 | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | (1,000,000) | (2,000,000) | (4,000,000) | (5,000,000) | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 0 | 0 | 0 | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | 0 | 0 | 0 | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 1,186,000,000 | 1,626,000,000 | 1,186,000,000 | 1,626,000,000 | | | 1,286,000,000 | | 1,684,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 2,000,000 | (7,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | (27,000,000) | 34,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 100,000,000 | 350,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (97,000,000) | (202,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | (88,000,000) | (78,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 65,000,000 | 60,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 55,000,000 | 215,000,000 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Equity Securities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 43,000,000 | 42,000,000 | 43,000,000 | 42,000,000 | 43,000,000 | 42,000,000 | 42,000,000 | 46,000,000 | 44,000,000 | 44,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | 10,000,000 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 1,000,000 | 0 | (1,000,000) | 0 | (3,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 0 | 0 | 0 | 0 | 2,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 0 | 0 | 0 | (14,000,000) | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | 0 | 0 | 0 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 1,064,000,000 | 1,186,000,000 | 1,626,000,000 | 1,186,000,000 | 1,626,000,000 | 1,186,000,000 | 1,228,000,000 | | 1,692,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 2,000,000 | (12,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | (17,000,000) | 17,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 62,000,000 | 72,000,000 | 156,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | (12,000,000) | (35,000,000) | (158,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | (109,000,000) | (54,000,000) | (14,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 11,000,000 | 52,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (63,000,000) | (21,000,000) | (107,000,000) | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | ABS [Member] | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 12,000,000 | 33,000,000 | 12,000,000 | 33,000,000 | | | 13,000,000 | | 37,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 6,000,000 | 14,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (1,000,000) | (3,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 1,000,000 | 3,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 7,000,000 | 18,000,000 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | ABS [Member] | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 20,000,000 | 12,000,000 | 33,000,000 | 12,000,000 | 33,000,000 | 12,000,000 | 9,000,000 | | 44,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 8,000,000 | 6,000,000 | 2,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | 0 | (1,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 1,000,000 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | (4,000,000) | (12,000,000) | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | CDOs | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 65,000,000 | 136,000,000 | 65,000,000 | 136,000,000 | | | 73,000,000 | | 260,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 0 | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | 0 | (1,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 5,000,000 | 114,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | 0 | (107,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | (3,000,000) | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 10,000,000 | 130,000,000 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | CDOs | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 95,000,000 | 65,000,000 | 136,000,000 | 65,000,000 | 136,000,000 | 65,000,000 | 72,000,000 | | 199,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | (2,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 30,000,000 | 0 | 114,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | 0 | (107,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 0 | (3,000,000) | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | (4,000,000) | (68,000,000) | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | CMBS | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 17,000,000 | 33,000,000 | 17,000,000 | 33,000,000 | | | 26,000,000 | | 21,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | 0 | 1,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 7,000,000 | 33,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (1,000,000) | (2,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | (15,000,000) | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 0 | 20,000,000 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | CMBS | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 7,000,000 | 17,000,000 | 33,000,000 | 17,000,000 | 33,000,000 | 17,000,000 | 21,000,000 | | 45,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 1,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 3,000,000 | 7,000,000 | 5,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | 0 | (1,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 0 | (11,000,000) | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (13,000,000) | 0 | (17,000,000) | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Corporate | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 451,000,000 | 608,000,000 | 451,000,000 | 608,000,000 | | | 443,000,000 | | 566,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 2,000,000 | (7,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | (23,000,000) | 19,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 47,000,000 | 82,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (16,000,000) | 1,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | (46,000,000) | (73,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 64,000,000 | 57,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 20,000,000 | (37,000,000) | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Corporate | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 396,000,000 | 451,000,000 | 608,000,000 | 451,000,000 | 608,000,000 | 451,000,000 | 447,000,000 | | 557,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 2,000,000 | (12,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | (16,000,000) | 8,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 0 | 27,000,000 | 13,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | (3,000,000) | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | (5,000,000) | (16,000,000) | (10,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 10,000,000 | 52,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (50,000,000) | 0 | 0 | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Foreign Government Debt Securities [Member] | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 0 | 7,000,000 | 0 | 7,000,000 | | | 1,000,000 | | 17,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | 0 | 1,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 0 | 1,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (1,000,000) | (2,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 0 | 10,000,000 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Foreign Government Debt Securities [Member] | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 0 | 0 | 7,000,000 | 0 | 7,000,000 | 0 | 1,000,000 | | 17,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 0 | 0 | 1,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | (1,000,000) | (1,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | 0 | (10,000,000) | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 24,000,000 | 70,000,000 | 24,000,000 | 70,000,000 | | | 38,000,000 | | 72,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | (1,000,000) | 3,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | 0 | (5,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 13,000,000 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 12,000,000 | 24,000,000 | 70,000,000 | 24,000,000 | 70,000,000 | 24,000,000 | 37,000,000 | | 73,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 | 1,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | (12,000,000) | 0 | (4,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | (13,000,000) | 0 | | | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | RMBS [Member] | Fixed Maturities [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | | 617,000,000 | 739,000,000 | 617,000,000 | 739,000,000 | | | $ 692,000,000 | | 711,000,000 |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | (3,000,000) | 11,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | | | | 35,000,000 | 106,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | | | | (78,000,000) | (89,000,000) | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | | | | (24,000,000) | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | | | | 0 | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | | | | 5,000,000 | 0 | | | | | |
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | RMBS [Member] | Fixed Maturities [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value | 534,000,000 | 617,000,000 | 739,000,000 | $ 617,000,000 | 739,000,000 | $ 617,000,000 | $ 641,000,000 | | $ 757,000,000 | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | (1,000,000) | 9,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | 21,000,000 | 32,000,000 | 21,000,000 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | (12,000,000) | (31,000,000) | (48,000,000) | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | (92,000,000) | (24,000,000) | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0 | 0 | 0 | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | $ 0 | $ 0 | 0 | | | | | | | |
Separate Accounts [Member] | Hedge Funds [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Redemption Restriction, Percentage | 52.00% | | | | | | | 51.00% | | |
Other Policyholder Funds and Benefits Payable [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | | | | | 136,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | | | | | (33,000,000) | | | | | |
Other Policyholder Funds and Benefits Payable [Member] | Fair Value, Inputs, Level 3 [Member] | Guaranteed Minimum Withdrawal Benefit [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | | | (134,000,000) | | (134,000,000) | | | | | (241,000,000) |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | | | | | 140,000,000 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) | | | | | 0 | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | | | | | (33,000,000) | | | | | |
Other Policyholder Funds and Benefits Payable [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | | | | | | | | | | |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | | | $ (171,000,000) | | $ (171,000,000) | | | | | $ (274,000,000) |