Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments and Fair Value Measurements (Details)

v3.20.1
Financial Instruments and Fair Value Measurements (Details) - Recurring - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Current Assets, Fair Value Disclosure    
Cash equivalents $ 242 $ 272
Derivative Asset, Current   0
Long-term liabilities    
Long-term Debt, Fair Value 4,068 5,116
Derivative Liability 4  
Level 1    
Current Assets, Fair Value Disclosure    
Cash equivalents 242 272
Long-term liabilities    
Long-term Debt, Fair Value 530 760
Derivative Liability 0  
Level 2    
Current Assets, Fair Value Disclosure    
Derivative Asset, Current   0
Long-term liabilities    
Long-term Debt, Fair Value 3,538 $ 4,356
Derivative Liability $ 4