Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Tables)

v3.7.0.1
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2017
Fair Value Disclosures [Abstract]  
Fair Value Measurements by Level for Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following table summarizes fair value measurements by level at June 30, 2017, for assets and liabilities measured at fair value on a recurring basis ($ in millions):  
 
Level I
 
Level II
 
Level III
 
Total
Assets
 
 
 
 
 
 
 
Cash and cash equivalents
$
4,425

 
$

 
$

 
$
4,425

Investments available for sale:
 

 
 

 
 

 
 

U.S. Treasury securities and obligations of U.S. government corporations and agencies
$
137

 
$
66

 
$

 
$
203

Corporate securities

 
2,059

 

 
2,059

Municipal securities

 
1,926

 

 
1,926

Asset-backed securities

 
374

 

 
374

Residential mortgage-backed securities

 
228

 

 
228

Commercial mortgage-backed securities

 
319

 

 
319

Total investments
$
137

 
$
4,972

 
$

 
$
5,109

Restricted deposits available for sale:
 

 
 

 
 

 
 

Cash and cash equivalents
$
8

 
$

 
$

 
$
8

Certificates of deposit
4

 

 

 
4

U.S. Treasury securities and obligations of U.S. government corporations and agencies
125

 

 

 
125

Total restricted deposits
$
137

 
$

 
$

 
$
137

Other long-term assets: Interest rate swap agreements
$

 
$
5

 
$

 
$
5

Total assets at fair value
$
4,699

 
$
4,977

 
$

 
$
9,676

Liabilities
 
 
 
 
 
 
 
Other long-term liabilities:
 
 
 
 
 
 
 
Interest rate swap agreements
$

 
$
53

 
$

 
$
53

Total liabilities at fair value
$

 
$
53

 
$

 
$
53


The following table summarizes fair value measurements by level at December 31, 2016, for assets and liabilities measured at fair value on a recurring basis ($ in millions): 
 
Level I
 
Level II
 
Level III
 
Total
Assets
 
 
 
 
 
 
 
Cash and cash equivalents
$
3,930

 
$

 
$

 
$
3,930

Investments available for sale:
 

 
 

 
 

 
 

U.S. Treasury securities and obligations of U.S. government corporations and agencies
$
221

 
$
15

 
$

 
$
236

Corporate securities

 
1,932

 

 
1,932

Municipal securities

 
1,733

 

 
1,733

Asset-backed securities

 
317

 

 
317

Residential mortgage-backed securities

 
215

 

 
215

Commercial mortgage-backed securities

 
338

 

 
338

Total investments
$
221

 
$
4,550

 
$

 
$
4,771

Restricted deposits available for sale:
 

 
 

 
 

 
 

Cash and cash equivalents
$
6

 
$

 
$

 
$
6

Certificates of deposit
5

 

 

 
5

U.S. Treasury securities and obligations of U.S. government corporations and agencies
127

 

 

 
127

Total restricted deposits
$
138

 
$

 
$

 
$
138

Other long-term assets:
 
 
 
 
 
 
 
Interest rate swap agreements
$

 
$
4

 
$

 
$
4

Total assets at fair value
$
4,289

 
$
4,554

 
$

 
$
8,843

Liabilities
 
 
 
 
 
 
 
Other long-term liabilities:
 
 
 
 
 
 
 
Interest rate swap agreements
$

 
$
62

 
$

 
$
62

Total liabilities at fair value
$

 
$
62

 
$

 
$
62