Annual report pursuant to Section 13 and 15(d)

Debt and Other Obligations (Details) (Future Payments on Total Debt)

v3.6.0.2
Debt and Other Obligations (Details) (Future Payments on Total Debt)
$ in Millions
Dec. 31, 2016
USD ($)
Debt Disclosure [Abstract]  
Long-term debt (principal only), 2017 $ 0
Long-term debt (principal only), 2018 0
Long-term debt (principal only), 2019 196
Long-term debt (principal only), 2020 0
Long-term debt (principal only), 2021 0
Long-term debt (principal only), 2022 and thereafter 1,571
Total long-term debt (principal only) $ 1,767