Fair Value of Financial Assets and Liabilities (Tables)
 3 Months Ended
Mar. 31, 2018
Fair Value Disclosures [Abstract]  
Carrying Amounts and Fair Values of Financial Instruments
The carrying amounts including fair value adjustments previously recognized in acquisition purchase accounting and a fair value adjustment related to the Company’s interest rate swap fair value hedge (which is classified as Level 2 in the fair value hierarchy), and fair values of the financial instruments were as follows:
 
Carrying Amount
 
At Fair Value as of March 31, 2018
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Preferred stock with mandatory redemption requirements
$
9

 
$
—

 
$
—

 
$
12

 
$
12

Long-term debt (excluding capital lease obligations)
6,814

 
4,630

 
959

 
1,782

 
7,371

 
 
 
 
 
 
 
 
 
 
 
Carrying Amount
 
At Fair Value as of December 31, 2017
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Preferred stock with mandatory redemption requirements
$
10

 
$
—

 
$
—

 
$
14

 
$
14

Long-term debt (excluding capital lease obligations)
6,809

 
4,846

 
976

 
1,821

 
7,643
Fair Value Measurements of Assets and Liabilities on Recurring Basis
The following table presents assets and liabilities measured and recorded at fair value on a recurring basis and their level within the fair value hierarchy as of March 31, 2018 and December 31, 2017 respectively:
 
At Fair Value as of March 31, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Restricted funds
$
28

 
$
—

 
$
—

 
$
28

Rabbi trust investments
15

 
—

 
—

 
15

Deposits
4

 
—

 
—

 
4

Mark-to-market derivative asset
—

 
6

 
—

 
6

Other investments
5

 
—

 
—

 
5

Total assets
52

 
6

 
—

 
58

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Deferred compensation obligations
17

 
—

 
—

 
17

Total liabilities
17

 
—

 
—

 
17

Total net assets (liabilities)
$
35

 
$
6

 
$
—

 
$
41

 
At Fair Value as of December 31, 2017
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Restricted funds
$
28

 
$
—

 
$
—

 
$
28

Rabbi trust investments
15

 
—

 
—

 
15

Deposits
4

 
—

 
—

 
4

Other investments
3

 
—

 
—

 
3

Total assets
50

 
—

 
—

 
50

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Deferred compensation obligations
17

 
—

 
—

 
17

Mark-to-market derivative liabilities
—

 
3

 
—

 
3

Total liabilities
17

 
3

 
—

 
20

Total net assets (liabilities)
$
33

 
$
(3
)
 
$
—

 
$
30