INVESTMENTS - Credit Quality (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Commercial Mortgage Loans
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	$ 746
2019	797
2018	1,248
2017	1,201
2016	2,772
Prior	3,082
Total	9,846	$ 9,390
Age Analysis of Past Due Mortgage Loan
Total Past Due	0	0
Current	9,771	9,390
Total	9,771	9,390
Non-accruing Loans	75	0
Total	9,846	9,390
Non-accruing Loans with No Allowance	75	0
Interest Income on Non-accruing Loans	1	0
Commercial Mortgage Loans | 30-59 Days
Age Analysis of Past Due Mortgage Loan
Total Past Due	0	0
Commercial Mortgage Loans | 60-89 Days
Age Analysis of Past Due Mortgage Loan
Total Past Due	0	0
Commercial Mortgage Loans | 90 Days Or Greater
Age Analysis of Past Due Mortgage Loan
Total Past Due	0	0
Commercial Mortgage Loans | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	621
2019	373
2018	801
2017	377
2016	2,151
Prior	1,315
Total	5,638	5,251
Age Analysis of Past Due Mortgage Loan
Total	5,638	5,251
Commercial Mortgage Loans | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	90
2019	187
2018	123
2017	409
2016	70
Prior	484
Total	1,363	1,331
Age Analysis of Past Due Mortgage Loan
Total	1,363	1,331
Commercial Mortgage Loans | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	35
2019	183
2018	230
2017	302
2016	551
Prior	610
Total	1,911	1,546
Age Analysis of Past Due Mortgage Loan
Total	1,911	1,546
Commercial Mortgage Loans | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	12
2018	11
2017	76
2016	0
Prior	673
Total	772	974
Age Analysis of Past Due Mortgage Loan
Total	772	974
Commercial Mortgage Loans | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	42
2018	83
2017	37
2016	0
Prior	0
Total	162	288
Age Analysis of Past Due Mortgage Loan
Total	162	288
Commercial Mortgage Loans | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 0% - 50%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	0
2018	29
2017	324
2016	213
Prior	748
Total	1,314	1,180
Age Analysis of Past Due Mortgage Loan
Total	1,314	1,180
Commercial Mortgage Loans | 0% - 50% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	1,033	903
Age Analysis of Past Due Mortgage Loan
Total	1,033	903
Commercial Mortgage Loans | 0% - 50% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	20	38
Age Analysis of Past Due Mortgage Loan
Total	20	38
Commercial Mortgage Loans | 0% - 50% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	237	214
Age Analysis of Past Due Mortgage Loan
Total	237	214
Commercial Mortgage Loans | 0% - 50% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	24	25
Age Analysis of Past Due Mortgage Loan
Total	24	25
Commercial Mortgage Loans | 0% - 50% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 0% - 50% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 50% - 70%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	656
2019	613
2018	915
2017	759
2016	2,501
Prior	1,714
Total	7,158	7,447
Age Analysis of Past Due Mortgage Loan
Total	7,158	7,447
Commercial Mortgage Loans | 50% - 70% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	4,208	4,097
Age Analysis of Past Due Mortgage Loan
Total	4,208	4,097
Commercial Mortgage Loans | 50% - 70% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	1,080	1,195
Age Analysis of Past Due Mortgage Loan
Total	1,080	1,195
Commercial Mortgage Loans | 50% - 70% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	1,353	1,118
Age Analysis of Past Due Mortgage Loan
Total	1,353	1,118
Commercial Mortgage Loans | 50% - 70% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	485	795
Age Analysis of Past Due Mortgage Loan
Total	485	795
Commercial Mortgage Loans | 50% - 70% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	32	242
Age Analysis of Past Due Mortgage Loan
Total	32	242
Commercial Mortgage Loans | 50% - 70% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 70% - 90%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	90
2019	184
2018	304
2017	113
2016	58
Prior	464
Total	1,213	763
Age Analysis of Past Due Mortgage Loan
Total	1,213	763
Commercial Mortgage Loans | 70% - 90% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	312	251
Age Analysis of Past Due Mortgage Loan
Total	312	251
Commercial Mortgage Loans | 70% - 90% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	263	98
Age Analysis of Past Due Mortgage Loan
Total	263	98
Commercial Mortgage Loans | 70% - 90% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	321	214
Age Analysis of Past Due Mortgage Loan
Total	321	214
Commercial Mortgage Loans | 70% - 90% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	187	154
Age Analysis of Past Due Mortgage Loan
Total	187	154
Commercial Mortgage Loans | 70% - 90% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	130	46
Age Analysis of Past Due Mortgage Loan
Total	130	46
Commercial Mortgage Loans | 70% - 90% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 90% plus
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	0
2018	0
2017	5
2016	0
Prior	156
Total	161	0
Age Analysis of Past Due Mortgage Loan
Total	161	0
Commercial Mortgage Loans | 90% plus | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	85	0
Age Analysis of Past Due Mortgage Loan
Total	85	0
Commercial Mortgage Loans | 90% plus | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 90% plus | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 90% plus | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	76	0
Age Analysis of Past Due Mortgage Loan
Total	76	0
Commercial Mortgage Loans | 90% plus | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Commercial Mortgage Loans | 90% plus | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	310
2019	278
2018	348
2017	279
2016	383
Prior	1,145
Total	2,743	2,717
Age Analysis of Past Due Mortgage Loan
Total Past Due	125	124
Current	2,618	2,593
Total	2,743	2,717
Non-accruing Loans	0	0
Total	2,743	2,717
Non-accruing Loans with No Allowance	0	0
Interest Income on Non-accruing Loans	0	0
Agricultural Mortgage Loans | 30-59 Days
Age Analysis of Past Due Mortgage Loan
Total Past Due	67	57
Agricultural Mortgage Loans | 60-89 Days
Age Analysis of Past Due Mortgage Loan
Total Past Due	9	1
Agricultural Mortgage Loans | 90 Days Or Greater
Age Analysis of Past Due Mortgage Loan
Total Past Due	49	66
Agricultural Mortgage Loans | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	43
2019	28
2018	39
2017	37
2016	76
Prior	162
Total	385	404
Age Analysis of Past Due Mortgage Loan
Total	385	404
Agricultural Mortgage Loans | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	11
2019	36
2018	15
2017	17
2016	21
Prior	91
Total	191	191
Age Analysis of Past Due Mortgage Loan
Total	191	191
Agricultural Mortgage Loans | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	75
2019	39
2018	46
2017	43
2016	52
Prior	232
Total	487	477
Age Analysis of Past Due Mortgage Loan
Total	487	477
Agricultural Mortgage Loans | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	110
2019	126
2018	148
2017	110
2016	158
Prior	349
Total	1,001	990
Age Analysis of Past Due Mortgage Loan
Total	1,001	990
Agricultural Mortgage Loans | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	67
2019	39
2018	92
2017	71
2016	58
Prior	275
Total	602	572
Age Analysis of Past Due Mortgage Loan
Total	602	572
Agricultural Mortgage Loans | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	4
2019	10
2018	8
2017	1
2016	18
Prior	36
Total	77	83
Age Analysis of Past Due Mortgage Loan
Total	77	83
Agricultural Mortgage Loans | 0% - 50%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	106
2019	139
2018	159
2017	167
2016	254
Prior	733
Total	1,558	1,583
Age Analysis of Past Due Mortgage Loan
Total	1,558	1,583
Agricultural Mortgage Loans | 0% - 50% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	292	322
Age Analysis of Past Due Mortgage Loan
Total	292	322
Agricultural Mortgage Loans | 0% - 50% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	106	104
Age Analysis of Past Due Mortgage Loan
Total	106	104
Agricultural Mortgage Loans | 0% - 50% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	255	241
Age Analysis of Past Due Mortgage Loan
Total	255	241
Agricultural Mortgage Loans | 0% - 50% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	520	545
Age Analysis of Past Due Mortgage Loan
Total	520	545
Agricultural Mortgage Loans | 0% - 50% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	333	321
Age Analysis of Past Due Mortgage Loan
Total	333	321
Agricultural Mortgage Loans | 0% - 50% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	52	50
Age Analysis of Past Due Mortgage Loan
Total	52	50
Agricultural Mortgage Loans | 50% - 70%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	204
2019	139
2018	186
2017	112
2016	129
Prior	394
Total	1,164	1,115
Age Analysis of Past Due Mortgage Loan
Total	1,164	1,115
Agricultural Mortgage Loans | 50% - 70% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	93	82
Age Analysis of Past Due Mortgage Loan
Total	93	82
Agricultural Mortgage Loans | 50% - 70% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	83	87
Age Analysis of Past Due Mortgage Loan
Total	83	87
Agricultural Mortgage Loans | 50% - 70% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	232	236
Age Analysis of Past Due Mortgage Loan
Total	232	236
Agricultural Mortgage Loans | 50% - 70% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	462	426
Age Analysis of Past Due Mortgage Loan
Total	462	426
Agricultural Mortgage Loans | 50% - 70% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	269	251
Age Analysis of Past Due Mortgage Loan
Total	269	251
Agricultural Mortgage Loans | 50% - 70% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	25	33
Age Analysis of Past Due Mortgage Loan
Total	25	33
Agricultural Mortgage Loans | 70% - 90%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	0
2018	3
2017	0
2016	0
Prior	18
Total	21	19
Age Analysis of Past Due Mortgage Loan
Total	21	19
Agricultural Mortgage Loans | 70% - 90% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 70% - 90% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	2	0
Age Analysis of Past Due Mortgage Loan
Total	2	0
Agricultural Mortgage Loans | 70% - 90% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 70% - 90% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	19	19
Age Analysis of Past Due Mortgage Loan
Total	19	19
Agricultural Mortgage Loans | 70% - 90% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 70% - 90% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Agricultural Mortgage Loans | 90% plus | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Total Mortgages Loan
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	1,056
2019	1,075
2018	1,596
2017	1,480
2016	3,155
Prior	4,227
Total	12,589	12,107
Age Analysis of Past Due Mortgage Loan
Total Past Due	125	124
Current	12,389	11,983
Total	12,514	12,107
Non-accruing Loans	75	0
Total	12,589	12,107
Non-accruing Loans with No Allowance	75	0
Interest Income on Non-accruing Loans	1	0
Total Mortgages Loan | 30-59 Days
Age Analysis of Past Due Mortgage Loan
Total Past Due	67	57
Total Mortgages Loan | 60-89 Days
Age Analysis of Past Due Mortgage Loan
Total Past Due	9	1
Total Mortgages Loan | 90 Days Or Greater
Age Analysis of Past Due Mortgage Loan
Total Past Due	49	66
Total Mortgages Loan | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	664
2019	401
2018	840
2017	414
2016	2,227
Prior	1,477
Total	6,023	5,655
Age Analysis of Past Due Mortgage Loan
Total	6,023	5,655
Total Mortgages Loan | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	101
2019	223
2018	138
2017	426
2016	91
Prior	575
Total	1,554	1,522
Age Analysis of Past Due Mortgage Loan
Total	1,554	1,522
Total Mortgages Loan | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	110
2019	222
2018	276
2017	345
2016	603
Prior	842
Total	2,398	2,023
Age Analysis of Past Due Mortgage Loan
Total	2,398	2,023
Total Mortgages Loan | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	110
2019	138
2018	159
2017	186
2016	158
Prior	1,022
Total	1,773	1,964
Age Analysis of Past Due Mortgage Loan
Total	1,773	1,964
Total Mortgages Loan | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	67
2019	81
2018	175
2017	108
2016	58
Prior	275
Total	764	860
Age Analysis of Past Due Mortgage Loan
Total	764	860
Total Mortgages Loan | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	4
2019	10
2018	8
2017	1
2016	18
Prior	36
Total	77	83
Age Analysis of Past Due Mortgage Loan
Total	77	83
Total Mortgages Loan | 0% - 50%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	106
2019	139
2018	188
2017	491
2016	467
Prior	1,481
Total	2,872	2,763
Age Analysis of Past Due Mortgage Loan
Total	2,872	2,763
Total Mortgages Loan | 0% - 50% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	1,325	1,225
Age Analysis of Past Due Mortgage Loan
Total	1,325	1,225
Total Mortgages Loan | 0% - 50% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	126	142
Age Analysis of Past Due Mortgage Loan
Total	126	142
Total Mortgages Loan | 0% - 50% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	492	455
Age Analysis of Past Due Mortgage Loan
Total	492	455
Total Mortgages Loan | 0% - 50% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	544	570
Age Analysis of Past Due Mortgage Loan
Total	544	570
Total Mortgages Loan | 0% - 50% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	333	321
Age Analysis of Past Due Mortgage Loan
Total	333	321
Total Mortgages Loan | 0% - 50% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	52	50
Age Analysis of Past Due Mortgage Loan
Total	52	50
Total Mortgages Loan | 50% - 70%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	860
2019	752
2018	1,101
2017	871
2016	2,630
Prior	2,108
Total	8,322	8,562
Age Analysis of Past Due Mortgage Loan
Total	8,322	8,562
Total Mortgages Loan | 50% - 70% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	4,301	4,179
Age Analysis of Past Due Mortgage Loan
Total	4,301	4,179
Total Mortgages Loan | 50% - 70% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	1,163	1,282
Age Analysis of Past Due Mortgage Loan
Total	1,163	1,282
Total Mortgages Loan | 50% - 70% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	1,585	1,354
Age Analysis of Past Due Mortgage Loan
Total	1,585	1,354
Total Mortgages Loan | 50% - 70% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	947	1,221
Age Analysis of Past Due Mortgage Loan
Total	947	1,221
Total Mortgages Loan | 50% - 70% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	301	493
Age Analysis of Past Due Mortgage Loan
Total	301	493
Total Mortgages Loan | 50% - 70% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	25	33
Age Analysis of Past Due Mortgage Loan
Total	25	33
Total Mortgages Loan | 70% - 90%
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	90
2019	184
2018	307
2017	113
2016	58
Prior	482
Total	1,234	782
Age Analysis of Past Due Mortgage Loan
Total	1,234	782
Total Mortgages Loan | 70% - 90% | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	312	251
Age Analysis of Past Due Mortgage Loan
Total	312	251
Total Mortgages Loan | 70% - 90% | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	265	98
Age Analysis of Past Due Mortgage Loan
Total	265	98
Total Mortgages Loan | 70% - 90% | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	321	214
Age Analysis of Past Due Mortgage Loan
Total	321	214
Total Mortgages Loan | 70% - 90% | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	206	173
Age Analysis of Past Due Mortgage Loan
Total	206	173
Total Mortgages Loan | 70% - 90% | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	130	46
Age Analysis of Past Due Mortgage Loan
Total	130	46
Total Mortgages Loan | 70% - 90% | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Total Mortgages Loan | 90% plus
Financing Receivable, before Allowance for Credit Loss [Abstract]
2020	0
2019	0
2018	0
2017	5
2016	0
Prior	156
Total	161	0
Age Analysis of Past Due Mortgage Loan
Total	161	0
Total Mortgages Loan | 90% plus | Greater than 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	85	0
Age Analysis of Past Due Mortgage Loan
Total	85	0
Total Mortgages Loan | 90% plus | 1.8x to 2.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Total Mortgages Loan | 90% plus | 1.5x to 1.8x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Total Mortgages Loan | 90% plus | 1.2x to 1.5x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	76	0
Age Analysis of Past Due Mortgage Loan
Total	76	0
Total Mortgages Loan | 90% plus | 1.0x to 1.2x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	0	0
Total Mortgages Loan | 90% plus | Less than 1.0x
Financing Receivable, before Allowance for Credit Loss [Abstract]
Total	0	0
Age Analysis of Past Due Mortgage Loan
Total	$ 0	$ 0