INVESTMENTS (AVAILABLE-FOR-SALE SECURITIES) (Details) - USD ($) $ in Millions |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Fair Value |
$ 1,109
|
$ 906
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
|
| Due in one year or less, Amortized Cost |
20
|
|
|
| Due in years two through five, Amortized Cost |
179
|
|
|
| Due in years six through ten, Amortized Cost |
845
|
|
|
| Due after ten years, Amortized Cost |
22
|
|
|
| Subtotal |
1,066
|
|
|
| Debt Maturities, Amortized Cost Basis |
1,099
|
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
|
| Due in one year or less, Fair Value |
20
|
|
|
| Due in years two through five, Fair Value |
187
|
|
|
| Due in years six through ten, Fair Value |
847
|
|
|
| Due after ten years, Fair Value |
22
|
|
|
| Subtotal |
1,076
|
|
|
| Available For Sale Securities, Debt Maturities, Fair Value |
1,109
|
|
|
| Available For Sale Fixed Maturities Proceeds Gross Gains And Gross Losses From Sales And Other Than Temporary Impairments [Abstract] |
|
|
|
| Proceeds from sales |
49
|
19
|
$ 39
|
| Gross gains on sales |
1
|
0
|
1
|
| Gross losses on sales |
0
|
0
|
1
|
| Total other-than-temporary impairment losses |
(3)
|
(1)
|
(10)
|
| Portion of loss recognized in other comprehensive income (loss) |
0
|
0
|
0
|
| Credit losses recognized in earnings (loss) |
(3)
|
(1)
|
(10)
|
| Fixed Maturities - Credit Loss Impairments |
|
|
|
| Balance at January 1, |
(42)
|
(51)
|
|
| Previously recognized impairments on securities that matured, paid, prepaid or sold |
13
|
10
|
|
| Recognized impairments on securities impaired to fair value this period |
0
|
0
|
|
| Impairments recognized this period on securities not previously impaired |
(3)
|
0
|
|
| Additional impairments this period on securities previously impaired |
0
|
(1)
|
|
| Increases due to passage of time on previously recorded credit losses |
0
|
0
|
|
| Accretion of previously recognized impairments due to increases in expected cash flows |
0
|
0
|
|
| Balances at December 31, |
(32)
|
(42)
|
$ (51)
|
| Public Corporate |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
819
|
631
|
|
| Gross Unrealized Gains |
16
|
16
|
|
| Gross Unrealized Losses |
8
|
10
|
|
| Fair Value |
827
|
637
|
|
| Private Corporate |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
205
|
183
|
|
| Gross Unrealized Gains |
5
|
4
|
|
| Gross Unrealized Losses |
2
|
2
|
|
| Fair Value |
208
|
185
|
|
| US Treasury Government And Agency |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
36
|
29
|
|
| Gross Unrealized Losses |
1
|
|
|
| Fair Value |
35
|
29
|
|
| State and Political Sub-divisions |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
6
|
6
|
|
| Gross Unrealized Gains |
0
|
1
|
|
| Fair Value |
6
|
7
|
|
| Commercial Mortgage-backed |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
24
|
32
|
|
| Gross Unrealized Gains |
7
|
6
|
|
| Gross Unrealized Losses |
7
|
7
|
|
| Fair Value |
24
|
31
|
|
| OTTI in AOCI |
1
|
1
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
|
| AFS without a single maturity date, amortized cost |
24
|
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
|
| AFS without a single maturity date, Fair Value |
24
|
|
|
| Redeemable preferred stock |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
9
|
17
|
|
| Gross Unrealized Gains |
|
0
|
|
| Gross Unrealized Losses |
0
|
0
|
|
| Fair Value |
9
|
17
|
|
| Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |
|
|
|
| AFS without a single maturity date, amortized cost |
9
|
|
|
| Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |
|
|
|
| AFS without a single maturity date, Fair Value |
9
|
|
|
| Fixed Maturities |
|
|
|
| Schedule of Available-for-sale Securities [Line Items] |
|
|
|
| Amortized Cost |
1,099
|
898
|
|
| Gross Unrealized Gains |
28
|
27
|
|
| Gross Unrealized Losses |
18
|
19
|
|
| Fair Value |
1,109
|
906
|
|
| OTTI in AOCI |
$ 1
|
$ 1
|
|