Fair Value Measurements - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, expiration date	Dec. 31, 2016
Interest Rate Swap Effective December 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability, notional amount	$ 200
Interest Rate Swap Agreements | Credit Facility 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit facility termination charge	2
Remaining unrecognized loss	$ 1
Credit facility expiration date	Dec. 31, 2016