Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 26, 2014

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

Debt at December 2014 and December 2013 is shown in the table below. For information regarding the fair value of debt, see Note 13, Fair Value Measurements.

	Maturity at December	Average Interest Rates at December	December			December
(Dollars in Millions)	2014	2014	2014			2013
Notes	2015-2054	5.5%	$	9,456		$	8,935
Equipment Obligations(a)	2015-2023	6.3%	277			602
Capital Leases	2015-2026	13.5%	8			16
Convertible Debentures	2021	1.0%	1			2
Subtotal Long-term Debt (including current portion)			$	9,742		$	9,555
Less Debt Due within One Year			(228		)	(533		)
Long-term Debt (excluding current portion)			$	9,514		$	9,022

(a) These obligations are secured by an interest in certain railroad equipment.

Schedule of long-ter debt maturities

Long-term Debt Maturities

(Dollars in Millions)	Maturities as of
Fiscal Years Ending	December 2014
2015	$	228
2016	21
2017	631
2018	619
2019	518
Thereafter	7,725
Total Long-term Debt Maturities (including current portion)	$	9,742