XML 61 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
FAIR VALUE MEASUREMENTS - Other Fair Value Measurements (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Jul. 31, 2017
Dec. 31, 2016
Other Fair Value Measurements [Line Items]      
Deconsolidation, Sale Of Interest, Percent   50.00%  
Equity Method Investment, Ownership Percentage   50.00%  
Investments, Fair Value Disclosure   $ 600  
Level 2 [Member]      
Other Fair Value Measurements [Line Items]      
Carrying value of long-term debt and current portion of long-term debt $ 8,767   $ 8,263
Fair value of long-term debt and current portion of long-term debt $ 9,078   $ 8,477