Debt

6 Months Ended

Jun. 30, 2020

There was no commercial paper outstanding as of June 30, 2020 and December 31, 2019. As of June 30, 2020 and December 31, 2019, short-term debt included $4 million related to the 4.88% notes due through December 31, 2020. The Company has a $2.5 billion line of credit agreement with a termination date of September 27, 2024, which is available to provide additional liquidity, including to support the potential issuances of commercial paper. No amounts were outstanding under the $2.5 billion line of credit agreement as of June 30, 2020.

The approximate fair value and related carrying value of the Company's total long-term debt, including current maturities of long-term debt presented as short-term debt, as of June 30, 2020 and December 31, 2019 were as follows:


In millions	June 30, 2020		December 31, 2019
Fair value	$	8,816	$	8,614
Carrying value	7,769		7,758

The approximate fair values of the Company's long-term debt, including current maturities, were based on a valuation model using Level 2 observable inputs which included market rates for comparable instruments for the respective periods.