Financing Agreements (Tables)

9 Months Ended

Sep. 30, 2019

Long-term debt, including current maturities of long-term debt, presented on our consolidated balance sheets as of September 30, 2019 and December 31, 2018 consisted of the following Public Senior Notes (unsecured) and Senior Secured Notes issued by CF Industries:



	Effective Interest Rate	September 30, 2019				December 31, 2018
	Effective Interest Rate	Principal		Carrying Amount ⁽¹⁾		Principal		Carrying Amount ⁽¹⁾
		(in millions)
Public Senior Notes:
7.125% due May 2020	7.529%	$	500	$	499	$	500	$	497
3.450% due June 2023	3.562%	750		747		750		747
5.150% due March 2034	5.279%	750		740		750		740
4.950% due June 2043	5.031%	750		742		750		741
5.375% due March 2044	5.465%	750		741		750		741
Senior Secured Notes:
3.400% due December 2021	3.782%	500		496		500		495
4.500% due December 2026	4.759%	750		738		750		737
Total long-term debt		$	4,750	$	4,703	$	4,750	$	4,698
Less: Current maturities of long-term debt		500		499		—		—
Long-term debt, net of current maturities		$	4,250	$	4,204	$	4,750	$	4,698

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⁽¹⁾

Carrying amount is net of unamortized debt discount and deferred debt issuance costs. Total unamortized debt discount was $10 million and $11 million as of September 30, 2019 and December 31, 2018, respectively, and total deferred debt issuance costs were $37 million and $41 million as of September 30, 2019 and December 31, 2018, respectively.