Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE - INSTRUMENTS MEASURED AT FAIR VALUE ON A RECURRING BASIS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) AND INSTRUMENTS MEASURED AT FAIR VALUE ON A NON-RECURRING BASIS (Details)

v3.7.0.1
FAIR VALUE - INSTRUMENTS MEASURED AT FAIR VALUE ON A RECURRING BASIS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) AND INSTRUMENTS MEASURED AT FAIR VALUE ON A NON-RECURRING BASIS (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Other comprehensive income (loss).        
Total (losses) gains:        
Changes in unrealized losses relating to assets still held $ (13) $ 6 $ (13) $ (2)
Cross currency interest rate contracts        
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)        
Balance at beginning of period 29 20 29 28
Total (losses) gains:        
Included in other comprehensive income (loss) (13) 6 (13) (2)
Balance at end of period $ 16 $ 26 16 26
Non-reoccurring basis        
Total (losses) gains:        
Impairment of long-lived assets     $ 3 $ 1