New Accounting Pronouncements Adopted (Details) $ in Millions |
12 Months Ended |
---|---|
Dec. 31, 2015
USD ($)
| |
Other Assets [Member] | |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ (3) |
Long-term Debt [Member] | |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ (3) |