Schedule III - Supplementary Insurance Information (Details) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
$ 18,992
|
$ 17,661
|
$ 16,718
|
| Future Policy Benefits, Losses, Claims, Expenses |
257,011
|
240,611
|
221,769
|
| Unearned Premiums |
306
|
297
|
2,615
|
| Other Policy Claims and Benefits Payable |
154,600
|
150,916
|
142,362
|
| Premiums, Policy Charges and Fee Income |
37,394
|
36,870
|
34,493
|
| Net Investment Income |
16,435
|
15,520
|
14,829
|
| Benefits, Claims, Losses and Settlement Expenses |
39,707
|
39,418
|
36,318
|
| Amortization of DAC |
1,580
|
1,877
|
2,120
|
| Other Operating Expenses |
11,915
|
11,779
|
10,912
|
| U.S. Individual Solutions Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
10,535
|
10,150
|
9,798
|
| Future Policy Benefits, Losses, Claims, Expenses |
24,446
|
22,368
|
20,588
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
34,435
|
33,622
|
32,145
|
| Premiums, Policy Charges and Fee Income |
5,082
|
5,662
|
5,767
|
| Net Investment Income |
2,660
|
2,515
|
2,273
|
| Benefits, Claims, Losses and Settlement Expenses |
3,142
|
4,028
|
3,825
|
| Amortization of DAC |
382
|
678
|
1,073
|
| Other Operating Expenses |
3,679
|
3,678
|
3,265
|
| U.S. Workplace Solutions Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
308
|
307
|
314
|
| Future Policy Benefits, Losses, Claims, Expenses |
64,018
|
60,371
|
56,009
|
| Unearned Premiums |
228
|
220
|
2,041
|
| Other Policy Claims and Benefits Payable |
58,252
|
58,628
|
55,682
|
| Premiums, Policy Charges and Fee Income |
13,265
|
12,457
|
11,414
|
| Net Investment Income |
5,166
|
4,885
|
4,683
|
| Benefits, Claims, Losses and Settlement Expenses |
15,923
|
15,260
|
13,430
|
| Amortization of DAC |
30
|
130
|
72
|
| Other Operating Expenses |
1,888
|
1,853
|
1,871
|
| Investment Management Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
0
|
0
|
0
|
| Future Policy Benefits, Losses, Claims, Expenses |
0
|
0
|
0
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
0
|
0
|
0
|
| Premiums, Policy Charges and Fee Income |
0
|
0
|
0
|
| Net Investment Income |
170
|
80
|
111
|
| Benefits, Claims, Losses and Settlement Expenses |
0
|
0
|
0
|
| Amortization of DAC |
11
|
15
|
19
|
| Other Operating Expenses |
2,239
|
2,095
|
2,076
|
| International Insurance Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
8,214
|
7,208
|
6,554
|
| Future Policy Benefits, Losses, Claims, Expenses |
114,437
|
103,853
|
91,357
|
| Unearned Premiums |
78
|
77
|
574
|
| Other Policy Claims and Benefits Payable |
50,483
|
47,862
|
43,828
|
| Premiums, Policy Charges and Fee Income |
16,190
|
15,813
|
14,311
|
| Net Investment Income |
5,005
|
4,759
|
4,383
|
| Benefits, Claims, Losses and Settlement Expenses |
14,604
|
14,155
|
12,809
|
| Amortization of DAC |
1,138
|
1,065
|
987
|
| Other Operating Expenses |
2,838
|
2,677
|
2,396
|
| Total PFI excluding Closed Block Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
18,693
|
17,325
|
16,345
|
| Future Policy Benefits, Losses, Claims, Expenses |
208,141
|
191,330
|
172,230
|
| Unearned Premiums |
306
|
297
|
2,615
|
| Other Policy Claims and Benefits Payable |
143,179
|
140,123
|
131,658
|
| Premiums, Policy Charges and Fee Income |
34,868
|
34,250
|
31,824
|
| Net Investment Income |
13,782
|
12,942
|
12,176
|
| Benefits, Claims, Losses and Settlement Expenses |
34,348
|
34,061
|
30,688
|
| Amortization of DAC |
1,543
|
1,840
|
2,083
|
| Other Operating Expenses |
11,530
|
11,372
|
10,477
|
| Individual annuities | U.S. Individual Solutions Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
5,130
|
4,871
|
4,915
|
| Future Policy Benefits, Losses, Claims, Expenses |
10,797
|
10,311
|
10,486
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
8,551
|
8,601
|
8,720
|
| Premiums, Policy Charges and Fee Income |
2,805
|
2,721
|
2,823
|
| Net Investment Income |
727
|
700
|
594
|
| Benefits, Claims, Losses and Settlement Expenses |
368
|
614
|
864
|
| Amortization of DAC |
0
|
462
|
940
|
| Other Operating Expenses |
1,791
|
1,749
|
1,757
|
| Individual Life | U.S. Individual Solutions Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
5,405
|
5,279
|
4,883
|
| Future Policy Benefits, Losses, Claims, Expenses |
13,649
|
12,057
|
10,102
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
25,884
|
25,021
|
23,425
|
| Premiums, Policy Charges and Fee Income |
2,277
|
2,941
|
2,944
|
| Net Investment Income |
1,933
|
1,815
|
1,679
|
| Benefits, Claims, Losses and Settlement Expenses |
2,774
|
3,414
|
2,961
|
| Amortization of DAC |
382
|
216
|
133
|
| Other Operating Expenses |
1,888
|
1,929
|
1,508
|
| Retirement | U.S. Workplace Solutions Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
146
|
132
|
133
|
| Future Policy Benefits, Losses, Claims, Expenses |
59,330
|
55,661
|
51,264
|
| Unearned Premiums |
0
|
0
|
1,835
|
| Other Policy Claims and Benefits Payable |
49,269
|
49,770
|
47,113
|
| Premiums, Policy Charges and Fee Income |
8,517
|
7,808
|
6,946
|
| Net Investment Income |
4,536
|
4,275
|
4,110
|
| Benefits, Claims, Losses and Settlement Expenses |
11,576
|
10,958
|
9,301
|
| Amortization of DAC |
16
|
124
|
66
|
| Other Operating Expenses |
1,031
|
1,031
|
1,034
|
| Group Insurance | U.S. Workplace Solutions Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
162
|
175
|
181
|
| Future Policy Benefits, Losses, Claims, Expenses |
4,688
|
4,710
|
4,745
|
| Unearned Premiums |
228
|
220
|
206
|
| Other Policy Claims and Benefits Payable |
8,983
|
8,858
|
8,569
|
| Premiums, Policy Charges and Fee Income |
4,748
|
4,649
|
4,468
|
| Net Investment Income |
630
|
610
|
573
|
| Benefits, Claims, Losses and Settlement Expenses |
4,347
|
4,302
|
4,129
|
| Amortization of DAC |
14
|
6
|
6
|
| Other Operating Expenses |
857
|
822
|
837
|
| Investment Management | Investment Management Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
0
|
0
|
0
|
| Future Policy Benefits, Losses, Claims, Expenses |
0
|
0
|
0
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
0
|
0
|
0
|
| Premiums, Policy Charges and Fee Income |
0
|
0
|
0
|
| Net Investment Income |
170
|
80
|
111
|
| Benefits, Claims, Losses and Settlement Expenses |
0
|
0
|
0
|
| Amortization of DAC |
11
|
15
|
19
|
| Other Operating Expenses |
2,239
|
2,095
|
2,076
|
| International Insurance | International Insurance Division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
8,214
|
7,208
|
6,554
|
| Future Policy Benefits, Losses, Claims, Expenses |
114,437
|
103,853
|
91,357
|
| Unearned Premiums |
78
|
77
|
574
|
| Other Policy Claims and Benefits Payable |
50,483
|
47,862
|
43,828
|
| Premiums, Policy Charges and Fee Income |
16,190
|
15,813
|
14,311
|
| Net Investment Income |
5,005
|
4,759
|
4,383
|
| Benefits, Claims, Losses and Settlement Expenses |
14,604
|
14,155
|
12,809
|
| Amortization of DAC |
1,138
|
1,065
|
987
|
| Other Operating Expenses |
2,838
|
2,677
|
2,396
|
| Corporate and Other Operations |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
(364)
|
(340)
|
(321)
|
| Future Policy Benefits, Losses, Claims, Expenses |
5,240
|
4,738
|
4,276
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
9
|
11
|
3
|
| Premiums, Policy Charges and Fee Income |
331
|
318
|
332
|
| Net Investment Income |
781
|
703
|
726
|
| Benefits, Claims, Losses and Settlement Expenses |
679
|
618
|
624
|
| Amortization of DAC |
(18)
|
(48)
|
(68)
|
| Other Operating Expenses |
886
|
1,069
|
869
|
| Closed Block division |
|
|
|
| Supplementary Insurance Information, by Segment [Line Items] |
|
|
|
| Deferred Policy Acquisition Costs |
299
|
336
|
373
|
| Future Policy Benefits, Losses, Claims, Expenses |
48,870
|
49,281
|
49,539
|
| Unearned Premiums |
0
|
0
|
0
|
| Other Policy Claims and Benefits Payable |
11,421
|
10,793
|
10,704
|
| Premiums, Policy Charges and Fee Income |
2,526
|
2,620
|
2,669
|
| Net Investment Income |
2,653
|
2,578
|
2,653
|
| Benefits, Claims, Losses and Settlement Expenses |
5,359
|
5,357
|
5,630
|
| Amortization of DAC |
37
|
37
|
37
|
| Other Operating Expenses |
$ 385
|
$ 407
|
$ 435
|