Debt

Long term debt was as follows:



(in millions)	September 30, 2017			December 31, 2016
Term loan A due 2021⁽¹⁾	$	727		$	694
Term loan B due 2023	844			750
Senior notes due 2024	510			510
Capital lease obligations	39			43
Principal Debt Balance	$	2,120		$	1,997
Debt issuance costs and unamortized discounts	(58		)	(56		)
Less: current maturities	(71		)	(28		)
Total Long-term Debt	$	1,991		$	1,913

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(1)	The aggregate principal debt for Term Loan A includes borrowings in both U.S Dollars and Euros.

Term Loan B Repricing

On April 7, 2017, we entered into Amendment No. 1 (Repricing Amendment) to the Credit Agreement, dated December 7, 2016. As a result of the Repricing Amendment, we were required to pay the Term B Lenders a 1% principal prepayment fee on approximately $848 million principal balance in the amount of approximately $8 million, and the Term B Loan interest rate was reduced by 1.5%, from 5.5% over LIBOR to 4.0% over LIBOR. Transaction fees of $1 million were expensed.