Long-term debt consists of the following:

	December 31,		September 30,
	2016		2016
	(in millions)
Revolving Credit Facility—Acquisition Corp. (a)	$	—	$	—
Senior Term Loan Facility due 2023—Acquisition Corp. (b)		985		963
6.00% Senior Secured Notes due 2021—Acquisition Corp. (c)		—		444
6.25% Senior Secured Notes due 2021—Acquisition Corp. (d)		—		174
5.625% Senior Secured Notes due 2022—Acquisition Corp. (e)		246		272
5.00% Senior Secured Notes due 2023—Acquisition Corp. (f)		296		296
4.125% Senior Secured Notes due 2024— Acquisition Corp. (g)		356		—
4.875% Senior Secured Notes due 2024— Acquisition Corp. (h)		243		—
6.75% Senior Notes due 2022—Acquisition Corp. (i)		629		629
Total debt (j)	$	2,755	$	2,778

(a)

Reflects $150 million of commitments under the Revolving Credit Facility, less letters of credit outstanding of approximately $13 million and $5 million at December 31, 2016 and September 30, 2016, respectively. There were no loans outstanding under the Revolving Credit Facility at December 31, 2016 or September 30, 2016.

(b)	Principal amount of $1.006 billion and $978 million less unamortized discount of $8 million and $3 million and unamortized deferred financing costs of $13 million and $12 million at December 31, 2016 and September 30, 2016, respectively.

(c)	Principal amount of $450 million less unamortized deferred financing costs of $6 million at September 30, 2016.

(d)	Face amount of €158 million. Above amounts represent the dollar equivalent of such notes at September 30, 2016. Principal amount of $177 million less unamortized deferred financing costs of $3 million at September 30, 2016.

(e)	Principal amount of $248 million and $275 million less unamortized deferred financing costs of $2 million and $3 million at December 31, 2016 and September 30, 2016, respectively.

(f)	Principal amount of $300 million less unamortized deferred financing costs of $4 million at both December 31, 2016 and September 30, 2016.

(g)	Face amount of €345 million. Above amounts represent the dollar equivalent of such notes at December 31, 2016. Principal amount of $359 million less unamortized deferred financing costs of $3 million at December 31, 2016.

(h)	Principal amount of $250 million less unamortized deferred financing costs of $7 million at December 31, 2016.

(i)	Principal amount of $635 million less unamortized deferred financing costs of $6 million at both December 31, 2016 and September 30, 2016.

(j)	Principal amount of debt of $2.798 billion and $2.815 billion less unamortized discount of $8 million and $3 million and unamortized deferred financing costs of $35 million and $34 million at December 31, 2016 and September 30, 2016, respectively.