Fair Value Measurements - Hierarchy - Recurring Basis (Details 2) - USD ($)
|
Dec. 31, 2016 |
Dec. 31, 2015 |
Assets |
|
|
Available-for-sale securities |
$ 1,664,000,000
|
$ 1,729,000,000
|
Trading securities |
99,000,000
|
137,000,000
|
Preferred stock |
6,000,000
|
6,000,000
|
Investment securities |
1,764,000,000
|
1,867,000,000
|
Other trading securities |
99,000,000
|
128,000,000
|
Transfer from Level 1 Assets to Level 2 |
0
|
0
|
Transfer from Level 2 Assets to Level 1 |
0
|
0
|
Transfer from Level 1 Liabilities to Level 2 |
0
|
0
|
Transfers from Level 2 Liabilities to Level 1 |
0
|
0
|
Bonds |
|
|
Assets |
|
|
Available-for-sale securities |
1,629,000,000
|
1,691,000,000
|
Trading securities |
93,000,000
|
131,000,000
|
U.S. government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
31,000,000
|
111,000,000
|
Obligations of states, municipalities, and political subdivisions |
|
|
Assets |
|
|
Available-for-sale securities |
145,000,000
|
140,000,000
|
Corporate debt |
|
|
Assets |
|
|
Available-for-sale securities |
1,025,000,000
|
999,000,000
|
Residential mortgage-backed securities (“RMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
100,000,000
|
128,000,000
|
Commercial mortgage-backed securities (“CMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
108,000,000
|
116,000,000
|
Collateralized debt obligations (“CDO”)/Asset-backed securities (“ABS”) |
|
|
Assets |
|
|
Available-for-sale securities |
102,000,000
|
71,000,000
|
Preferred stock |
|
|
Assets |
|
|
Available-for-sale securities |
16,000,000
|
13,000,000
|
Common Stock |
|
|
Assets |
|
|
Available-for-sale securities |
17,000,000
|
23,000,000
|
Common Stock | Portion at Other than Fair Value Measurement |
|
|
Assets |
|
|
Available-for-sale securities |
1,000,000
|
1,000,000
|
Other long-term investments |
|
|
Assets |
|
|
Available-for-sale securities |
2,000,000
|
2,000,000
|
Level 1 |
|
|
Assets |
|
|
Cash and cash equivalents |
506,000,000
|
939,000,000
|
Investment securities |
31,000,000
|
36,000,000
|
Level 2 |
|
|
Assets |
|
|
Cash and cash equivalents |
73,000,000
|
0
|
Investment securities |
1,724,000,000
|
1,829,000,000
|
Level 3 |
|
|
Assets |
|
|
Cash and cash equivalents |
0
|
0
|
Investment securities |
9,000,000
|
2,000,000
|
Recurring basis |
|
|
Assets |
|
|
Cash and cash equivalents in mutual funds |
307,000,000
|
240,000,000
|
Available-for-sale securities |
1,664,000,000
|
1,729,000,000
|
Trading securities |
99,000,000
|
137,000,000
|
Investment securities |
1,763,000,000
|
1,866,000,000
|
Restricted cash in mutual funds |
553,000,000
|
277,000,000
|
Total |
2,696,000,000
|
2,383,000,000
|
Other trading securities |
|
128,000,000
|
Recurring basis | Bonds |
|
|
Assets |
|
|
Available-for-sale securities |
|
1,691,000,000
|
Recurring basis | U.S. government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
31,000,000
|
111,000,000
|
Recurring basis | Obligations of states, municipalities, and political subdivisions |
|
|
Assets |
|
|
Available-for-sale securities |
145,000,000
|
140,000,000
|
Recurring basis | Non-US government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
118,000,000
|
126,000,000
|
Trading securities |
1,000,000
|
3,000,000
|
Recurring basis | Corporate debt |
|
|
Assets |
|
|
Available-for-sale securities |
1,025,000,000
|
999,000,000
|
Trading securities |
85,000,000
|
124,000,000
|
Recurring basis | Residential mortgage-backed securities (“RMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
100,000,000
|
128,000,000
|
Trading securities |
1,000,000
|
2,000,000
|
Recurring basis | Commercial mortgage-backed securities (“CMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
108,000,000
|
116,000,000
|
Trading securities |
1,000,000
|
2,000,000
|
Recurring basis | Collateralized debt obligations (“CDO”)/Asset-backed securities (“ABS”) |
|
|
Assets |
|
|
Available-for-sale securities |
102,000,000
|
71,000,000
|
Trading securities |
5,000,000
|
|
Recurring basis | Preferred stock |
|
|
Assets |
|
|
Available-for-sale securities |
16,000,000
|
13,000,000
|
Preferred stock |
6,000,000
|
6,000,000
|
Recurring basis | Common Stock |
|
|
Assets |
|
|
Available-for-sale securities |
17,000,000
|
23,000,000
|
Recurring basis | Other long-term investments |
|
|
Assets |
|
|
Available-for-sale securities |
2,000,000
|
2,000,000
|
Recurring basis | Level 1 |
|
|
Assets |
|
|
Cash and cash equivalents in mutual funds |
307,000,000
|
240,000,000
|
Available-for-sale securities |
25,000,000
|
29,000,000
|
Trading securities |
6,000,000
|
6,000,000
|
Investment securities |
31,000,000
|
35,000,000
|
Restricted cash in mutual funds |
553,000,000
|
277,000,000
|
Total |
891,000,000
|
552,000,000
|
Recurring basis | Level 1 | Bonds |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 1 | U.S. government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 1 | Obligations of states, municipalities, and political subdivisions |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 1 | Non-US government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 1 | Corporate debt |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 1 | Residential mortgage-backed securities (“RMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 1 | Commercial mortgage-backed securities (“CMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 1 | Collateralized debt obligations (“CDO”)/Asset-backed securities (“ABS”) |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
|
Recurring basis | Level 1 | Preferred stock |
|
|
Assets |
|
|
Available-for-sale securities |
8,000,000
|
6,000,000
|
Preferred stock |
6,000,000
|
6,000,000
|
Recurring basis | Level 1 | Common Stock |
|
|
Assets |
|
|
Available-for-sale securities |
17,000,000
|
23,000,000
|
Recurring basis | Level 1 | Other long-term investments |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 2 |
|
|
Assets |
|
|
Cash and cash equivalents in mutual funds |
0
|
0
|
Available-for-sale securities |
1,633,000,000
|
1,698,000,000
|
Trading securities |
91,000,000
|
131,000,000
|
Investment securities |
1,724,000,000
|
1,829,000,000
|
Restricted cash in mutual funds |
0
|
0
|
Total |
1,797,000,000
|
1,829,000,000
|
Recurring basis | Level 2 | Bonds |
|
|
Assets |
|
|
Available-for-sale securities |
1,625,000,000
|
1,691,000,000
|
Trading securities |
91,000,000
|
131,000,000
|
Recurring basis | Level 2 | U.S. government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
31,000,000
|
111,000,000
|
Recurring basis | Level 2 | Obligations of states, municipalities, and political subdivisions |
|
|
Assets |
|
|
Available-for-sale securities |
145,000,000
|
140,000,000
|
Recurring basis | Level 2 | Non-US government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
118,000,000
|
126,000,000
|
Trading securities |
1,000,000
|
3,000,000
|
Recurring basis | Level 2 | Corporate debt |
|
|
Assets |
|
|
Available-for-sale securities |
1,025,000,000
|
999,000,000
|
Trading securities |
83,000,000
|
124,000,000
|
Recurring basis | Level 2 | Residential mortgage-backed securities (“RMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
100,000,000
|
128,000,000
|
Trading securities |
1,000,000
|
2,000,000
|
Recurring basis | Level 2 | Commercial mortgage-backed securities (“CMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
108,000,000
|
116,000,000
|
Trading securities |
1,000,000
|
2,000,000
|
Recurring basis | Level 2 | Collateralized debt obligations (“CDO”)/Asset-backed securities (“ABS”) |
|
|
Assets |
|
|
Available-for-sale securities |
98,000,000
|
71,000,000
|
Trading securities |
5,000,000
|
|
Recurring basis | Level 2 | Preferred stock |
|
|
Assets |
|
|
Available-for-sale securities |
8,000,000
|
7,000,000
|
Preferred stock |
0
|
0
|
Recurring basis | Level 2 | Common Stock |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 2 | Other long-term investments |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 3 |
|
|
Assets |
|
|
Cash and cash equivalents in mutual funds |
0
|
0
|
Available-for-sale securities |
6,000,000
|
2,000,000
|
Trading securities |
2,000,000
|
0
|
Investment securities |
8,000,000
|
2,000,000
|
Restricted cash in mutual funds |
0
|
0
|
Total |
8,000,000
|
2,000,000
|
Recurring basis | Level 3 | Bonds |
|
|
Assets |
|
|
Available-for-sale securities |
4,000,000
|
0
|
Trading securities |
2,000,000
|
0
|
Recurring basis | Level 3 | U.S. government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 3 | Obligations of states, municipalities, and political subdivisions |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 3 | Non-US government and government sponsored entities |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 3 | Corporate debt |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
2,000,000
|
0
|
Recurring basis | Level 3 | Residential mortgage-backed securities (“RMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 3 | Commercial mortgage-backed securities (“CMBS”) |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Trading securities |
0
|
0
|
Recurring basis | Level 3 | Collateralized debt obligations (“CDO”)/Asset-backed securities (“ABS”) |
|
|
Assets |
|
|
Available-for-sale securities |
4,000,000
|
0
|
Trading securities |
0
|
|
Recurring basis | Level 3 | Preferred stock |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Preferred stock |
0
|
0
|
Recurring basis | Level 3 | Common Stock |
|
|
Assets |
|
|
Available-for-sale securities |
0
|
0
|
Recurring basis | Level 3 | Other long-term investments |
|
|
Assets |
|
|
Available-for-sale securities |
2,000,000
|
$ 2,000,000
|
Certificates of deposit and commercial paper | Recurring basis |
|
|
Assets |
|
|
Cash and cash equivalents |
73,000,000
|
|
Certificates of deposit and commercial paper | Recurring basis | Level 1 |
|
|
Assets |
|
|
Cash and cash equivalents |
0
|
|
Certificates of deposit and commercial paper | Recurring basis | Level 2 |
|
|
Assets |
|
|
Cash and cash equivalents |
73,000,000
|
|
Certificates of deposit and commercial paper | Recurring basis | Level 3 |
|
|
Assets |
|
|
Cash and cash equivalents |
$ 0
|
|