Basis of Presentation and Principles Of Consolidation - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2017 |
Dec. 31, 2016 |
---|---|---|
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
Decrease in retained earnings from adoption of new accounting principle | $ (19) | |
New Accounting Pronouncement, Early Adoption, Effect | Long-term Debt, Current Maturities | ||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
Deferred finance costs | ||
New Accounting Pronouncement, Early Adoption, Effect | Long-term Debt, Excluding Current Maturities | ||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
Deferred finance costs |