Debt

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Debt

Debt

Debt outstanding, excluding finance leases, was as follows (in millions):

	December 31, 2024 a				December 31, 2023 a
Notes and debentures, due through 2097	$	22,919	4.8	%	$	22,819	4.7	%
Equipment obligations, due through 2028	332		3.6		355		3.6
Mortgage bonds, due through 2047	47		3.1		47		3.1
Financing obligations, due through 2053	268		4.6		288		4.6
Unamortized fair value adjustment under acquisition method accounting, discount, debt issuance costs, and other, net	(141)				(121)
Total	23,425				23,388
Less current portion of long-term debt	(1,241)		4.3	%	(1,243)		3.6	%
Long-term debt	$	22,184			$	22,145

a  Amounts represent debt outstanding and weighted average effective interest rates for 2024 and 2023, respectively. Maturities are as of December 31, 2024.

As of December 31, 2024, certain BNSF Railway properties and other assets were subject to liens securing $47 million of mortgage debt. Certain locomotives and rolling stock of BNSF Railway and its subsidiaries were subject to equipment obligations.

The Registrant is required to maintain certain financial covenants in conjunction with $500 million of certain issued and outstanding junior subordinated notes. As of December 31, 2024, the Registrant was in compliance with these financial covenants.

The fair value of BNSF’s debt is primarily based on market value price models using observable market-based data for the same or similar issues, or on the estimated rates that would be offered to BNSF for debt of the same remaining maturities (Level 2 inputs).

The following table provides principal cash flows and fair value information for the Company’s debt obligations.

	December 31, 2024
	Maturity Date						Total	Fair Value
	2025	2026	2027	2028	2029	Thereafter
Debt maturities (in millions)	$1,241	$49	$751	$474	$416	$20,494	$23,425	$21,131

As of December 31, 2023, the fair value of debt was $22.4 billion.

Notes and Debentures

In June 2024, the Company issued $1.3 billion of 5.5 percent debentures due March 15, 2055. The net proceeds from the sale of the debentures were used for general corporate purposes, which may include but are not limited to working capital, capital expenditures, repayment of outstanding indebtedness, and distributions.

As of December 31, 2024, $1.65 billion remained authorized by the Board of Directors to be issued through the SEC debt shelf offering process.