Statements of Consolidated and Combined Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.1 |
| Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |