XML 32 R21.htm IDEA: XBRL DOCUMENT v3.7.0.1
Fair Value Disclosure (Tables)
3 Months Ended
Mar. 31, 2017
Fair Value Disclosures [Abstract]  
Schedule of the three input levels in the hierarchy of fair value measurements
The three input levels in the hierarchy of fair value measurements are defined by the FASB generally as follows:
Input Level
 
Description of Input
 
 
 
Level 1
 
Observable inputs such as quoted market prices in active markets.
Level 2
 
Inputs other than quoted prices in active markets that are either directly or indirectly observable.
Level 3
 
Unobservable inputs in which little or no market data exists.
Schedule of carrying amounts and estimated fair values of long-term debt, excluding capital lease obligations, and input level to determine fair values
The following table presents the carrying amounts and estimated fair values of our long-term debt, excluding capital lease and other obligations, as well as the input level used to determine the fair values indicated below:
 
 
 
As of March 31, 2017
 
As of December 31, 2016
 
Input
Level
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
 
 
 
(Dollars in millions)
Liabilities—Long-term debt, excluding capital lease and other obligations
2
 
$
7,227

 
7,492

 
7,229

 
7,203