Quarterly report pursuant to Section 13 or 15(d)

Short-term and Long-term Investments, Restricted Deposits (Tables)

v3.7.0.1
Short-term and Long-term Investments, Restricted Deposits (Tables)
 6 Months Ended
Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract]  
Short-term and long-term investments and restricted deposits by investment type

Short-term and long-term investments and restricted deposits by investment type consist of the following ($ in millions):
 
June 30, 2017
 
December 31, 2016
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized Losses
 
Fair
Value
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized Losses
 
Fair
Value
U.S. Treasury securities and obligations of U.S. government corporations and agencies
$
329

 
$
—

 
$
(1
)
 
$
328

 
$
364

 
$
—

 
$
(1
)
 
$
363

Corporate securities
2,048

 
17

 
(6
)
 
2,059

 
1,933

 
12

 
(13
)
 
1,932

Restricted certificates of deposit
4

 
—

 
—

 
4

 
5

 
—

 
—

 
5

Restricted cash equivalents
8

 
—

 
—

 
8

 
6

 
—

 
—

 
6

Municipal securities
1,923

 
11

 
(8
)
 
1,926

 
1,767

 
1

 
(35
)
 
1,733

Asset-backed securities
373

 
1

 
—

 
374

 
317

 
1

 
(1
)
 
317

Residential mortgage-backed securities
231

 
1

 
(4
)
 
228

 
219

 
1

 
(5
)
 
215

Commercial mortgage-backed securities
322

 
1

 
(4
)
 
319

 
343

 
—

 
(5
)
 
338

Cost and equity method investments
167

 
—

 
—

 
167

 
163

 
—

 
—

 
163

Life insurance contracts
126

 
—

 
—

 
126

 
116

 
—

 
—

 
116

Total
$
5,531

 
$
31

 
$
(23
)
 
$
5,539

 
$
5,233

 
$
15

 
$
(60
)
 
$
5,188

Fair value of available-for-sale investments with gross unrealized losses byinvestment type and length of time
The fair value of available-for-sale investments with gross unrealized losses by investment type and length of time that individual securities have been in a continuous unrealized loss position were as follows ($ in millions):
 
June 30, 2017
 
December 31, 2016
 
Less Than 12 Months
 
12 Months or More
 
Less Than 12 Months
 
12 Months or More
 
Unrealized Losses
 
Fair
Value
 
Unrealized Losses
 
Fair
Value
 
Unrealized Losses
 
Fair
Value
 
Unrealized Losses
 
Fair
Value
U.S. Treasury securities and obligations of U.S. government corporations and agencies
$
(1
)
 
$
263

 
$
—

 
$
3

 
$
(1
)
 
$
215

 
$
—

 
$
2

Corporate securities
(6
)
 
662

 
—

 
22

 
(12
)
 
1,020

 
(1
)
 
39

Municipal securities
(8
)
 
743

 
—

 
36

 
(35
)
 
1,423

 
—

 
30

Asset-backed securities
—

 
146

 
—

 
13

 
(1
)
 
101

 
—

 
18

Residential mortgage-backed securities
(3
)
 
154

 
(1
)
 
16

 
(5
)
 
188

 
—

 
—

Commercial mortgage-backed securities
(2
)
 
188

 
(2
)
 
14

 
(5
)
 
271

 
—

 
—

Total
$
(20
)
 
$
2,156

 
$
(3
)
 
$
104

 
$
(59
)
 
$
3,218

 
$
(1
)
 
$
89

Contractual maturities of short-term and long-term investments and restricted deposits
The contractual maturities of short-term and long-term investments and restricted deposits are as follows ($ in millions):
 
June 30, 2017
 
December 31, 2016
 
Investments
 
Restricted Deposits
 
Investments
 
Restricted Deposits
 
Amortized
Cost
 
Fair
Value
 
Amortized
Cost
 
Fair
Value
 
Amortized
Cost
 
Fair
Value
 
Amortized
Cost
 
Fair
Value
One year or less
$
524

 
$
524

 
$
82

 
$
82

 
$
500

 
$
500

 
$
91

 
$
91

One year through five years
2,058

 
2,066

 
55

 
55

 
1,982

 
1,974

 
47

 
47

Five years through ten years
1,674

 
1,678

 
—

 
—

 
1,101

 
1,089

 
—

 
—

Greater than ten years
212

 
213

 
—

 
—

 
633

 
617

 
—

 
—

Asset-backed securities
926

 
921

 
—

 
—

 
879

 
870

 
—

 
—

Total
$
5,394

 
$
5,402

 
$
137

 
$
137

 
$
5,095

 
$
5,050

 
$
138

 
$
138