Insurance (Liabilities for Unpaid Claims and Claims Expense - Development Tables) (Details) $ in Millions	Dec. 31, 2017 USD ($) Claims	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Dec. 31, 2008 USD ($)
Claims Development [Line Items]
Total unpaid claims and claim adjustment expenses, net of reinsurance	$ 12,349
Group Life - Term
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	48,034
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	46,136
All outstanding liabilities for incurral years not separately stated, net of reinsurance	5
Total unpaid claims and claim adjustment expenses, net of reinsurance	1,903
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	6,294	$ 6,295	$ 6,287	$ 6,269	$ 6,293	$ 6,290	$ 6,318
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	207,301
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,292	6,290	6,281	6,256	6,239	6,194	4,982
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	6,569	6,568	6,546	6,569	6,579	6,503
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 3
Cumulative Number of Reported Claims | Claims	208,626
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,565	6,558	6,532	6,518	6,472	5,132
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	6,730	6,720	6,719	6,713	6,637
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 15
Cumulative Number of Reported Claims | Claims	210,643
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,711	6,678	6,664	6,614	5,216
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	6,910	6,913	6,919	6,986
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 5
Cumulative Number of Reported Claims | Claims	210,797
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,869	6,858	6,809	5,428
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,014	7,015	7,040
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 12
Cumulative Number of Reported Claims | Claims	211,597
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,958	6,913	5,524
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,085	7,125
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 21
Cumulative Number of Reported Claims | Claims	206,610
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 6,980	5,582
Group Life - Term | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,432
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 898
Cumulative Number of Reported Claims | Claims	186,954
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 5,761
Group Life - Term | Asia
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,633
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	1,108
All outstanding liabilities for incurral years not separately stated, net of reinsurance	27
Total unpaid claims and claim adjustment expenses, net of reinsurance	552
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2010
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	144	135	103	107	107	84	78	$ 82
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 24
Cumulative Number of Reported Claims | Claims	2,490
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 121	114	89	79	65	53	40	20
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	132	124	94	88	88	67	64
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 24
Cumulative Number of Reported Claims | Claims	2,629
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 109	102	81	67	54	40	13
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	122	119	118	103	104	98
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 10
Cumulative Number of Reported Claims | Claims	3,962
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 112	106	99	85	65	30
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	167	168	174	150	148
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 19
Cumulative Number of Reported Claims | Claims	4,448
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 149	136	121	99	44
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	256	256	279	297
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 54
Cumulative Number of Reported Claims | Claims	5,020
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 202	180	144	69
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	271	267	280
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 78
Cumulative Number of Reported Claims | Claims	4,473
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 192	154	81
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	238	234
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 102
Cumulative Number of Reported Claims | Claims	2,314
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 135	66
Group Life - Term | Asia | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	303
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 215
Cumulative Number of Reported Claims | Claims	1,456
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 88
Group Long-Term Disability
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	7,602
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	3,006
All outstanding liabilities for incurral years not separately stated, net of reinsurance	2,539
Total unpaid claims and claim adjustment expenses, net of reinsurance	7,135
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	918	923	924	914	894	916	955
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	21,642
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 588	537	478	411	337	217	44
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,037	1,034	1,014	980	979	966
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	20,085
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 591	524	453	365	229	43
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,070	1,049	1,032	1,027	1,008
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	21,123
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 551	475	382	234	43
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,101	1,079	1,077	1,076
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	22,838
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 526	428	266	51
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,093	1,105	1,082
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | Claims	21,136
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 427	264	50
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,139	1,131
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 26
Cumulative Number of Reported Claims | Claims	17,585
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 267	49
Group Long-Term Disability | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,244
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 585
Cumulative Number of Reported Claims | Claims	9,258
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 56
Property & Casualty - Auto
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	8,841
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	7,672
All outstanding liabilities for incurral years not separately stated, net of reinsurance	27
Total unpaid claims and claim adjustment expenses, net of reinsurance	1,196
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2008
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	791	790	791	793	794	799	805	828	$ 839	$ 818
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	200,517
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 789	788	787	785	778	764	725	657	553	304
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2009
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	814	815	815	817	823	826	853	877	862
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	201,579
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 813	813	810	803	789	755	681	563	321
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2010
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	822	825	826	833	847	853	873	863
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	202,098
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 818	816	810	796	762	695	572	319
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	843	843	846	855	869	876	863
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	202,513
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 831	825	810	777	711	590	324
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	847	846	851	869	881	882
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 3
Cumulative Number of Reported Claims | Claims	196,928
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 831	815	783	715	600	333
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	876	878	882	900	911
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 6
Cumulative Number of Reported Claims | Claims	201,297
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 843	809	743	618	346
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	910	913	910	897
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 12
Cumulative Number of Reported Claims | Claims	203,560
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 844	777	648	352
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	979	984	975
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 30
Cumulative Number of Reported Claims | Claims	207,485
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 822	691	384
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	1,002	1,012
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 77
Cumulative Number of Reported Claims | Claims	204,497
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 702	396
Property & Casualty - Auto | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	957
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 161
Cumulative Number of Reported Claims | Claims	173,607
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 379
Property & Casualty - Home
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	6,770
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	6,545
All outstanding liabilities for incurral years not separately stated, net of reinsurance	1
Total unpaid claims and claim adjustment expenses, net of reinsurance	226
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2008
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	585	585	586	588	589	588	590	599	636	644
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	127,479
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 584	584	584	584	583	582	579	574	558	446
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2009
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	497	497	498	501	503	507	510	523	506
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	106,616
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 496	496	496	495	495	492	486	476	385
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2010
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	579	580	581	582	584	587	589	573
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	115,510
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 578	578	577	574	571	562	546	436
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	834	835	835	840	843	868	891
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	166,455
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 832	830	827	825	819	804	690
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	694	696	698	703	713	714
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	146,536
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 690	689	687	681	668	559
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	634	635	635	652	654
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 4
Cumulative Number of Reported Claims | Claims	107,525
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 628	626	618	604	505
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	705	704	702	707
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | Claims	113,604
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 692	685	670	574
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	752	753	759
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 12
Cumulative Number of Reported Claims | Claims	107,073
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 731	717	603
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	743	740
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 20
Cumulative Number of Reported Claims | Claims	106,537
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 704	593
Property & Casualty - Home | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	747
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 66
Cumulative Number of Reported Claims | Claims	106,915
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 610
Protection Life
Claims Development [Line Items]
Total unpaid claims and claim adjustment expenses, net of reinsurance	280
Protection Life | Latin America
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	3,292
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	3,024
All outstanding liabilities for incurral years not separately stated, net of reinsurance	12
Total unpaid claims and claim adjustment expenses, net of reinsurance	280
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2008
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	284	283	283	283	283	283	282	281	277	208
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	31,642
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 281	278	278	277	277	277	277	276	271	205
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2009
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	327	326	326	325	325	325	324	319	236
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	31,322
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 321	317	317	317	317	317	316	311	234
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2010
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	343	342	342	342	341	340	333	259
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	33,386
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 322	320	319	319	319	318	311	239
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	235	238	238	237	236	229	150
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	28,103
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 234	232	232	232	231	225	147
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	221	223	222	221	215	159
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	29,244
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 219	219	218	217	212	157
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	253	254	253	246	176
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	33,170
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 244	244	243	238	172
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	361	392	381	252
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	41,566
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 346	342	336	226
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	440	470	330
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	47,111
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 404	379	271
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	456	359
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 14
Cumulative Number of Reported Claims | Claims	40,972
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 437	245
Protection Life | Latin America | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	372
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 117
Cumulative Number of Reported Claims | Claims	25,103
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 216
Protection Health
Claims Development [Line Items]
Total unpaid claims and claim adjustment expenses, net of reinsurance	87
Protection Health | Latin America
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	2,449
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	2,365
All outstanding liabilities for incurral years not separately stated, net of reinsurance	3
Total unpaid claims and claim adjustment expenses, net of reinsurance	87
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2008
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	154	152	152	152	152	151	151	151	149	133
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	89,217
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 154	152	152	152	152	151	151	151	149	$ 133
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2009
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	177	174	174	174	174	173	173	171	153
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	92,530
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 177	174	174	174	174	173	173	171	$ 153
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2010
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	207	204	204	204	203	202	201	180
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	96,276
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 207	204	204	203	203	202	201	$ 180
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2011
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	240	243	243	243	242	240	216
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	105,965
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 240	243	243	243	242	240	$ 216
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2012
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	236	238	237	237	235	209
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 0
Cumulative Number of Reported Claims | Claims	99,498
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 236	238	237	237	235	$ 209
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2013
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	255	258	257	255	226
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 1
Cumulative Number of Reported Claims | Claims	103,110
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 255	258	257	255	$ 226
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2014
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	261	263	261	235
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 2
Cumulative Number of Reported Claims | Claims	96,260
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 258	262	259	$ 233
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2015
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	231	229	202
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 3
Cumulative Number of Reported Claims | Claims	84,678
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 228	229	$ 202
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2016
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	305	265
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 7
Cumulative Number of Reported Claims | Claims	101,478
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 298	$ 249
Protection Health | Latin America | Short-duration Insurance Contracts, Incurral Year 2017
Claims Development [Line Items]
Incurred Claims and Allocated Claim Adjustment Expense, Net of Reinsurance	383
Total IBNR Liabilities Plus Expected Development on Reported Claims	$ 48
Cumulative Number of Reported Claims | Claims	101,116
Cumulative paid claims and paid allocated claim adjustment expenses, net of reinsurance	$ 312